JPH08296023A - Material for coating and member for immersing in metallic bath coated with the same material - Google Patents
Material for coating and member for immersing in metallic bath coated with the same materialInfo
- Publication number
- JPH08296023A JPH08296023A JP12453695A JP12453695A JPH08296023A JP H08296023 A JPH08296023 A JP H08296023A JP 12453695 A JP12453695 A JP 12453695A JP 12453695 A JP12453695 A JP 12453695A JP H08296023 A JPH08296023 A JP H08296023A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- molten metal
- coating layer
- total
- coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、連続溶融金属めっき処
理工程にて使用されるシンクロール、サポートロールお
よびそれらの軸受け部品等で代表される金属浴浸漬部材
の被覆に関し、具体的には、当該金属浴浸漬部材を製造
する際に、上記部材の表面を被覆して、金属浴中に浸漬
された当該部材が浸蝕および摩耗されるのを防止する被
覆用材料と、前記被覆用材料が被覆された金属浴浸漬用
部材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to coating of a metal bath dipping member represented by sink rolls, support rolls and bearing parts thereof used in a continuous hot metal plating process, and more specifically, When manufacturing the metal bath-immersed member, a coating material for coating the surface of the member to prevent the member immersed in the metal bath from being corroded and worn, and the coating material. And a member for dipping a metal bath.
【０００２】[0002]
【従来の技術】自動車、家電製品、屋外構造物等に利用
されている鋼板は、一般に表面処理鋼板が主流を占めて
おり、その大部分は溶融亜鉛連続めっきや溶融アルミニ
ウム連続めっき等の溶融金属連続めっきにより製造さ
れ、表面処理鋼板と呼ばれている。これらの場合、浴槽
中を連続的に通過する鋼板を支持し、案内し、さらに、
鋼板の表面に形成されるめっきの厚さを均一にする等の
ために、シンクロール、サポートロールが使用される。
これらのロールおよびその回転軸を支持する軸受け部品
等は溶融金属を貯えている溶融金属浴槽中に常時浸漬さ
れるので、金属浴浸漬部材と呼ばれる。従来より、これ
らの金属浴浸漬部材は、溶融金属に対する耐食性（以
下、「溶融金属腐食耐性」という）や耐摩耗性（以下、
「溶融金属摩耗耐性」という）に関し、非常に過酷な条
件下に配備されている。従って、ＳＵＳ３１６Ｌステン
レス鋼の表面に溶射被覆層や肉盛り溶接層を施工する
等、特定の被覆材料で表面を被覆して、溶融金属腐食耐
性や溶融金属摩耗耐性を得ていた。2. Description of the Related Art Surface-treated steel sheets generally occupy the mainstream of steel sheets used in automobiles, home appliances, outdoor structures, etc., and most of them are molten metal such as hot-dip zinc continuous plating and hot-dip aluminum continuous plating. It is manufactured by continuous plating and is called surface-treated steel sheet. In these cases, supporting and guiding the steel plate that continuously passes through the bathtub,
A sink roll and a support roll are used to make the thickness of the plating formed on the surface of the steel plate uniform.
Since these rolls and bearing parts that support the rotating shaft thereof are constantly immersed in a molten metal bath containing molten metal, they are called metal bath dipping members. Conventionally, these metal bath-immersed members have been used for corrosion resistance to molten metal (hereinafter referred to as “molten metal corrosion resistance”) and abrasion resistance (hereinafter referred to as “melted metal corrosion resistance”).
"Melted metal wear resistance"), it has been deployed under very harsh conditions. Therefore, the surface of SUS316L stainless steel is coated with a specific coating material such as by applying a thermal spray coating layer or a buildup welding layer to obtain molten metal corrosion resistance and molten metal wear resistance.
【０００３】この場合に用いられる被覆材料の例として
は、浴射被覆層形成の場合にはＪＩＳ Ｈ ８３０３に
より規定された市販のＣｏ基自溶合金が挙げられ、ま
た、プラズマ粉体肉盛り溶接層形成の場合にはＣｏ基合
金のステライトが挙げられる。しかしながら、前記のＣ
ｏ基自溶合金やステライト等の被覆材料では、溶融金属
腐食耐性や溶融金属摩耗耐性に優れた緻密な組織構造を
もった被覆層を形成させることは不可能である。具体的
には、通常の操業条件下にて溶融金属浴中にて使用され
る金属浴浸漬部材の耐用期間は２週間程度でしかなく、
短期間の操業毎にめっき工程の稼働を停止して、損耗部
材の補修交換を行っている。このために、装置の回転率
が低下し、結果的に表面処理鋼板の生産性を著しく低下
させている。Examples of the coating material used in this case include a commercially available Co-based self-fluxing alloy defined by JIS H 8303 in the case of forming a thermal spray coating layer, and plasma powder build-up welding. In the case of forming a layer, Stellite, which is a Co-based alloy, may be used. However, the above C
With a coating material such as o-based self-fluxing alloy or stellite, it is impossible to form a coating layer having a dense microstructure excellent in molten metal corrosion resistance and molten metal wear resistance. Specifically, the service life of the metal bath immersion member used in the molten metal bath under normal operating conditions is only about 2 weeks,
The operation of the plating process is stopped after every short-term operation, and the worn parts are repaired and replaced. For this reason, the rotation rate of the apparatus is reduced, and as a result, the productivity of the surface-treated steel sheet is significantly reduced.
【０００４】これらの問題を解決するための方法とし
て、特開平５−１６３５５９号公報にＷ、またはＭｏ、
またはＷ−Ｍｏ合金を利用した金属浴浸漬部材、さらに
は、重量％で、Ｗ、またはＭｏ、またはＷ−Ｍｏ合金が
１５．０〜５０．０％であって、残部がＦｅまたはＣｏ
からなる部材等が開示されている。また、特開平１−１
０８３３５号公報にＣｏ、ＦｅまたはＣｕを基として、
Ｂ、Ｓｉ、Ｍｏ、Ｎｉ、Ｃｒを配合した耐食性の金属浴
浸漬部材が開示されている。さらに、特開平１−１０８
３３４号公報では、特開平１−１０８３３５号公報の浸
漬部材に対しＷを添加している。しかしながら、これら
の金属浴浸漬部材は、溶融金属浴中による腐食に対する
性質に向上が認められたものの、溶融金属浴中による摩
耗に関しては満足する結果を得ていない。As a method for solving these problems, Japanese Patent Application Laid-Open No. 5-163559 discloses W or Mo,
Alternatively, a metal bath dipping member using a W-Mo alloy, further, W or Mo or W-Mo alloy is 15.0 to 50.0% by weight, and the balance is Fe or Co.
A member made of is disclosed. In addition, JP-A 1-1
No. 08335, based on Co, Fe or Cu,
A corrosion resistant metal bath dipping member containing B, Si, Mo, Ni and Cr is disclosed. Furthermore, JP-A-1-108
In Japanese Patent No. 334, W is added to the immersion member disclosed in Japanese Patent Laid-Open No. 1-108335. However, although these metal bath-immersed members were found to have improved properties against corrosion in the molten metal bath, satisfactory results were not obtained regarding wear in the molten metal bath.
【０００５】[0005]
【発明が解決しようとする課題】本発明は、かかる問題
点に鑑み、前記のＣｏ基自溶合金被覆層やステライト被
覆層では得られなかった高い溶融金属腐食耐性および高
い溶融金属摩耗耐性を有する表面被覆層を形成できる被
覆用材料と、この被覆用材料を用いて製造される金属浴
浸漬用部材とを提供することを目的とする。In view of the above problems, the present invention has high molten metal corrosion resistance and high molten metal wear resistance which cannot be obtained by the Co-based self-fluxing alloy coating layer or the stellite coating layer. An object of the present invention is to provide a coating material capable of forming a surface coating layer, and a metal bath dipping member manufactured using the coating material.
【０００６】[0006]
【課題を解決するための手段】本発明者等は、上記の課
題を解決するべく、Ｃｏ基自溶合金の被覆層を対象に鋭
意研究開発を重ねた結果、溶融金属腐食耐性や溶融金属
摩耗耐性を高めるためには、自溶合金の溶射被覆層を再
溶融処理（合理化処理）する際に、Ｃｏを主体とする素
地（Ｃｏ−Ｎｉ−Ｃｒ−Ｓｉ系マトリックス）中に形成
されるＷ−Ｃｒ−Ｍｏ−Ｃｏ系の複硼化物（Ｗ−Ｂ系、
Ｃｒ−Ｂ系、Ｍｏ−Ｂ系、Ｃｏ−Ｂ系の硼化物の２種以
上が組合わさったもの）と、Ｃｒ−Ｃｏ−Ｗ−Ｍｏ系の
複炭化物が有効であること、また、特にこの複硼化物を
緻密にして適量、しかも均一に素地中に分散させて形成
させるためには、同族元素であるＭｏ、ＣｒおよびＷに
最適添加範囲が存在すること、さらに、融点が高くて、
脆いＭｏ、Ｃｒ、Ｗを多量に含有することによる靱性低
下（合金化不足により粒間が脆弱になり、溶融金属摩耗
耐性を低下させる原因）を防止するために、Ｎｉ、Ｃｕ
およびＦｅにも最適添加範囲が存在することを見出し
た。その結果、従来のＣｏ基自溶合金やステライトの被
覆処理によっては得られない高い溶融金属腐食耐性と高
い溶融金属摩耗耐性とを具備した被覆用材料と、この被
覆用材料を用いて被覆処理した金属浴浸漬用部材を発明
するに至った。Means for Solving the Problems In order to solve the above-mentioned problems, the inventors of the present invention have conducted extensive research and development on a coating layer of a Co-based self-fluxing alloy, and as a result, have found that it has a resistance to molten metal corrosion and wear of molten metal. In order to increase the resistance, when the thermal spray coating layer of the self-fluxing alloy is subjected to remelting treatment (rationalization treatment), W- formed in the matrix (Co-Ni-Cr-Si-based matrix) mainly containing Co Cr-Mo-Co-based compound boride (WB-based,
(A combination of two or more kinds of borides of Cr-B type, Mo-B type and Co-B type) and a double carbide of Cr-Co-W-Mo type are effective. In order to form the complex boride by making it dense and in an appropriate amount and evenly dispersing it in the matrix, there is an optimum addition range for the homologous elements Mo, Cr, and W, and the melting point is high.
In order to prevent a decrease in toughness due to the inclusion of a large amount of brittle Mo, Cr, and W (the cause of weakening of the wear resistance of molten metal due to the weakening of the grain due to insufficient alloying), Ni, Cu
It was found that there is an optimum addition range for Fe and Fe. As a result, a coating material having high molten metal corrosion resistance and high molten metal wear resistance, which cannot be obtained by the conventional coating treatment of Co-based self-fluxing alloy or stellite, and the coating treatment using this coating material. The inventors have invented a member for immersion in a metal bath.
【０００７】以下に本発明を詳細に記述する。すなわ
ち、本発明は、重量％にて、Ｃ：０．８〜１．５％、Ｓ
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｍｏ：０〜５％、Ｗ：１５．０〜２０．０％、Ｂ：２．
５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍｎ：０．１
〜０．５％、Ｃｕ：１．５〜３．０％、Ｆｅ：１．５〜
３．０％であり、残部がＣｏおよび不可避的不純物であ
る組成物であり、かつ、ＣｒとＭｏとＷとの合計が３
４．０〜４１．０重量％で、さらにＮｉとＣｕとＦｅと
の合計が１０．０〜１４．０重量％である被覆用材料で
ある。The present invention will be described in detail below. That is, in the present invention, in% by weight, C: 0.8 to 1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
Mo: 0-5%, W: 15.0-20.0%, B: 2.
5 to 3.5%, Ni: 6.0 to 9.0%, Mn: 0.1
~ 0.5%, Cu: 1.5 ~ 3.0%, Fe: 1.5 ~
The composition is 3.0% with the balance being Co and inevitable impurities, and the total of Cr, Mo and W is 3
The coating material has a content of 4.0 to 41.0% by weight and a total content of Ni, Cu and Fe of 10.0 to 14.0% by weight.
【０００８】また、重量％にて、Ｃ：０．８〜１．５
％、Ｓｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．
０％、Ｍｏ：０〜５％、Ｗ：１５．０〜２０．０％、
Ｂ：２．５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍ
ｎ：０．１〜０．５％、Ｃｕ：１．５〜３．０％、Ｆ
ｅ：１．５〜３．０％であり、残部がＣｏおよび不可避
的不純物である粉末組成物であり、かつ、ＣｒとＭｏと
Ｗとの合計が３４．０〜４１．０重量％であり、さらに
ＮｉとＣｕとＦｅとの合計が１０．０〜１４．０重量％
で、粒度が１２０〜３５０メッシュに分級された溶射被
覆用材料である。Further, in% by weight, C: 0.8 to 1.5
%, Si: 1.5 to 3.0%, Cr: 15.0 to 23.
0%, Mo: 0-5%, W: 15.0-20.0%,
B: 2.5-3.5%, Ni: 6.0-9.0%, M
n: 0.1 to 0.5%, Cu: 1.5 to 3.0%, F
e: 1.5 to 3.0%, the balance being Co and inevitable impurities in the powder composition, and the total of Cr, Mo, and W is 34.0 to 41.0% by weight. , And the total of Ni, Cu, and Fe is 10.0 to 14.0% by weight.
The particle size is 120 to 350 mesh and is a material for thermal spray coating.
【０００９】さらに、重量％にて、Ｃ：０．８〜１．５
％、Ｓｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．
０％、Ｍｏ：０〜５％、Ｗ：１５．０〜２０．０％、
Ｂ：２．５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍ
ｎ：０．１〜０．５％、Ｃｕ：１．５〜３．０％、Ｆ
ｅ：１．５〜３．０％であり、残部がＣｏおよび不可避
的不純物であり、かつ、ＣｒとＭｏとＷとの合計が３
４．０〜４１．０重量％であり、さらにＮｉとＣｕとＦ
ｅとの合計が１０．０〜１４．０重量％である組成物に
よって表面が被覆されている金属浴浸漬用部材である。Further, in% by weight, C: 0.8 to 1.5
%, Si: 1.5 to 3.0%, Cr: 15.0 to 23.
0%, Mo: 0-5%, W: 15.0-20.0%,
B: 2.5-3.5%, Ni: 6.0-9.0%, M
n: 0.1 to 0.5%, Cu: 1.5 to 3.0%, F
e: 1.5 to 3.0%, the balance being Co and inevitable impurities, and the sum of Cr, Mo, and W is 3
4.0 to 41.0% by weight, and further Ni, Cu and F
A member for dipping in a metal bath, the surface of which is coated with a composition having a total of 10.0 to 14.0% by weight with e.
【００１０】[0010]
【作用】本発明では、Ｃｏを基とした金属浴浸漬部材に
おいて、適量のＭｎを脱酸剤および再溶融処理性の向上
として使用し、そして、適量のＣｕおよびＦｅを添加す
ることにより、少量のＮｉでも溶融金属腐食耐性および
溶融金属摩耗耐性を確保できるようにし、かつ、Ｍｏ、
ＣｒおよびＷの多量含有およびＮｉの少量含有による脆
性を防止した。そして、Ｎｉと、Ｃｕと、Ｆｅとの合計
を１０．０〜１４．０重量％と限定することによって、
Ｃｒ、Ｗ、Ｍｏの多量含有による靱性低下を防止し、溶
融金属摩耗耐性を向上させている。本発明材料および部
材の成分構成に関し、以下に、それぞれの成分限定の理
由について述べる。In the present invention, in a Co-based metal bath dipping member, an appropriate amount of Mn is used as a deoxidizing agent and an improvement in remelting processability, and an appropriate amount of Cu and Fe are added to make a small amount. Ni also ensures molten metal corrosion resistance and molten metal wear resistance, and Mo,
Brittleness due to a large amount of Cr and W and a small amount of Ni was prevented. Then, by limiting the total of Ni, Cu, and Fe to 10.0 to 14.0% by weight,
It prevents deterioration of toughness due to the inclusion of a large amount of Cr, W, and Mo, and improves wear resistance of molten metal. With respect to the component constitution of the material and member of the present invention, the reasons for limiting the respective components will be described below.
【００１１】Ｃｏ：素地（マトリックス）を形成する耐
食性、耐熱性の基成分である。Ｂと結合した微細な複硼
化物およびＣと結合した微細な複炭化物を形成し、溶融
金属による腐食現象を軽減する性質を有する。 Ｃ：主としてＣｒと結合して微細な複炭化物を形成する
と共に、Ｃｏ素地（マトリックス）中に固溶して被覆層
全体の硬さを高め、耐摩耗性の向上に寄与する。Ｃを
０．８〜１．５重量％含有させることにより、この材料
を用いて加工した加工部材の溶融金属摩耗耐性は向上す
る。Ｃの含有量が０．８重量％未満では炭化物の生成量
が少ないために、充分な溶融金属摩耗耐性が得られな
い。なお、Ｃの含有量を１．０重量％以上にするのが、
炭化物生成量確保の点からは好ましい。逆に、１．５重
量％を越えると、炭化物の生成量が多くなり過ぎて溶融
金属による腐食量が増す。すなわち、溶融金属腐食耐性
が低下すると共に、靱性も低下するので、好ましい結果
が得られなくなる。Co: Corrosion-resistant and heat-resistant base component forming a matrix. It has the property of forming fine double boride combined with B and fine double carbide combined with C to reduce the corrosion phenomenon due to molten metal. C: Mainly combines with Cr to form a fine double carbide, and forms a solid solution in the Co matrix (matrix) to increase the hardness of the entire coating layer and contributes to the improvement of wear resistance. By containing 0.8 to 1.5% by weight of C, the molten metal wear resistance of the processed member processed using this material is improved. If the C content is less than 0.8% by weight, the amount of carbide produced is small, and therefore sufficient resistance to wear of molten metal cannot be obtained. The content of C is 1.0% by weight or more,
It is preferable from the viewpoint of securing the amount of carbide produced. On the other hand, if it exceeds 1.5% by weight, the amount of carbides produced becomes too large and the amount of corrosion by molten metal increases. That is, the molten metal corrosion resistance is reduced, and the toughness is also reduced, so that a desirable result cannot be obtained.
【００１２】Ｓｉ：脱酸剤として効果を示し、自溶性、
耐摩耗性、硬度等の性質を向上させる。Ｓｉを１．５〜
３．０重量％含有させることにより、前記諸性質を向上
させることを可能にしている。従って、Ｓｉの含有量が
１．５％未満では充分に向上効果が得られず、また、
３．０重量％を越えて含有する場合には逆に、被覆層の
硬さが高くなり過ぎて脆くなり、後工程の機械加工や使
用時において、部材の被覆層に割れ不良や剥離現象が発
生し易くなる。 Ｍｏ：Ｂと結合した微細な複硼化物およびＣと結合した
微細な複炭化物を形成し、溶融金属による腐食現象を軽
減する性質を有する。しかし、靱性を低下させると共
に、溶融金属摩耗耐性も著しく低下させるので、０〜
３．５％の範囲に制限される。 Ｃｒ：Ｂと結合した微細な複硼化物およびＣと結合した
微細な複炭化物を形成し、溶融金属による腐食現象を軽
減する性質を有する。Ｃｒを１５．０〜２３．０重量％
含有させることにより、溶融金属腐食耐性を向上し、金
属浴浸漬部材の使用時における溶融金属摩耗耐性も改善
する。Ｃｒの添加量が１５．０重量％未満では目的を達
成できず、逆に２３．０重量％を越えると、靱性の低下
と融点の上昇とにより自溶性を低下させると共に、加工
面にブローホール等の施工欠陥を招き易い。Si: Effective as a deoxidizer, self-dissolving,
Improves properties such as wear resistance and hardness. Si to 1.5
By containing 3.0% by weight, the above-mentioned various properties can be improved. Therefore, if the Si content is less than 1.5%, the improvement effect cannot be sufficiently obtained.
On the contrary, when the content exceeds 3.0% by weight, the hardness of the coating layer becomes too high and becomes brittle, and cracking defects or peeling phenomenon may occur in the coating layer of the member at the time of machining or using in the subsequent process. It tends to occur. It has the property of forming fine double boride combined with Mo: B and fine double carbide combined with C to reduce the corrosion phenomenon due to molten metal. However, since the toughness is reduced and the wear resistance of the molten metal is also significantly reduced,
Limited to a range of 3.5%. It has the property of forming fine double boride combined with Cr: B and fine double carbide combined with C to reduce the corrosion phenomenon due to molten metal. Cr 15.0 to 23.0% by weight
By containing it, the molten metal corrosion resistance is improved, and the molten metal wear resistance at the time of using the metal bath dipping member is also improved. If the amount of Cr added is less than 15.0% by weight, the object cannot be achieved. On the other hand, if it exceeds 23.0% by weight, the self-melting property is reduced due to a decrease in toughness and an increase in melting point, and a blowhole is formed on the processed surface. It is easy to cause construction defects such as
【００１３】Ｗ：Ｃと結合した複炭化物、およびＢと結
合した複硼化物を形成して、溶融金属腐食耐性を向上さ
せると共に、溶融金属摩耗耐性をも高め、その上、Ｃｏ
の索地中に固溶して被覆層全体の強度を高める。Ｗを１
５．０〜２０．０％含有させることにより、被覆層の特
性を改善している。Ｗが１５．０重量％未満では添加の
効果が明瞭で無く、逆に、Ｗが２０．０重量％を越える
と、材料の融点が高くなって、靱性が低下したり、自溶
性を阻害したりして製造が困難になる。そして、同族の
元素であるＭｏとＣｒとＷとの合計を３４．０〜４１．
０重量％と限定することによって、被覆層の脆化や剥離
現象を抑制している。 Ｂ：Ｓｉと同様に被覆材料に対して自溶性を与え、か
つ、Ｃｏ、Ｍｏ、Ｃｒ、Ｗと結合して複硼化物を形成
し、溶融金属による腐食を軽減する性質を有する。Ｂを
２．５〜３．５重量％含有させることにより、大幅に溶
融金属腐食耐性を向上させると共に、溶融金属摩耗耐性
も合わせて改善できる。Ｂが２．５重量％未満では、被
覆層の硬さが低下して、目的とする溶融金属摩耗耐性が
得られず、逆に３．５重量％を越えると、被覆層は脆さ
を増して、剥離や割れを生じ易くなる。By forming a double carbide combined with W: C and a double boride combined with B, the molten metal corrosion resistance is improved and the molten metal wear resistance is also increased.
It forms a solid solution in the cords and increases the strength of the entire coating layer. W is 1
By containing 5.0 to 20.0%, the characteristics of the coating layer are improved. If W is less than 15.0% by weight, the effect of the addition is not clear. On the contrary, if W is more than 20.0% by weight, the melting point of the material becomes high, the toughness is lowered and the self-melting property is hindered. Manufacturing becomes difficult. The total of Mo, Cr, and W, which are elements of the same group, is 34.0 to 41.
By limiting the amount to 0% by weight, embrittlement and peeling phenomenon of the coating layer are suppressed. B: Like Si, it imparts self-solubility to the coating material and also has the property of forming a double boride by combining with Co, Mo, Cr, and W to reduce corrosion by molten metal. By containing B in an amount of 2.5 to 3.5% by weight, the molten metal corrosion resistance can be significantly improved and the molten metal wear resistance can also be improved. If B is less than 2.5% by weight, the hardness of the coating layer decreases, and the intended resistance to wear of molten metal cannot be obtained. Conversely, if it exceeds 3.5% by weight, the coating layer becomes brittle. As a result, peeling or cracking is likely to occur.
【００１４】Ｎｉ：Ｃｏマトリックス中に固溶してＭ
ｏ、ＣｒおよびＷの多量含有による被覆層全体の靱性低
下を防止し、さらには再溶融処理性（溶け性）を向上す
る。Ｎｉを６．０〜９．０重量％含有させることによ
り、被覆層が脆さを示す恐れはない。Ｎｉが６．０重量
％未満の場合には、被覆層の脆さと再溶融処理性低下
（合金化不足）が避けられず、逆に、９．０重量％を越
える場合には、被覆層全体の溶融金属腐食耐性を著しく
低下させる。 Ｍｎ：被覆材料に対して脱酸剤として効果を示すと共
に、湯流れ性を向上させ、自溶性を与える。Ｍｎを０．
１〜０．５重量％含有させることにより、再溶融処理時
の作業を容易にする。ただし、Ｍｎの添加量が０．１重
量％未満では、添加する効果が認められず、逆にＭｎの
添加量が０．５重量％を越えると、溶融金属腐食耐性が
劣ってくる。Ni: Co As a solid solution in a matrix, M
It prevents deterioration of the toughness of the entire coating layer due to the inclusion of a large amount of o, Cr and W, and further improves remelting processability (meltability). By containing Ni in an amount of 6.0 to 9.0% by weight, the coating layer may not be brittle. When the Ni content is less than 6.0% by weight, brittleness of the coating layer and deterioration of remelting processability (insufficient alloying) are unavoidable. On the contrary, when the Ni content exceeds 9.0% by weight, the entire coating layer is It significantly reduces the resistance to molten metal corrosion. Mn: Shows an effect as a deoxidizing agent on the coating material, improves the flowability of molten metal, and imparts self-solubility. Mn to 0.
By containing 1 to 0.5% by weight, the work during the remelting process is facilitated. However, if the addition amount of Mn is less than 0.1% by weight, the effect of addition is not recognized, and conversely, if the addition amount of Mn exceeds 0.5% by weight, the resistance to molten metal corrosion deteriorates.
【００１５】Ｃｕ：固相−液相温度範囲を狭くし、複硼
化物の形成を助長する。Ｃｕを１．５〜３．０重量％含
有させることにより、被覆層の溶融金属摩耗耐性を向上
させる。Ｃｕは、Ｃｏマトリックス中に固溶し、前記の
複炭化物および複硼化物の形成を促し、組織的に安定さ
せ、さらにはＭｏ、ＣｒおよびＷの多量含有による被覆
層全体の靱性低下を防止する元素である。また、高温環
境下に於いても、Ｃｕの存在により、これらの複炭化物
および複硼化物は安定した状態になるため、優れた溶融
金属腐食耐性と溶融金属摩耗耐性を得ることができる。
しかしながら、そのＣｕ量が１．５重量％未満では、固
相−液相温度範囲が大きくなるため、再溶融処理された
被覆層が凝固する際、複炭化物および複硼化物は偏析し
易くなる。また、複炭化物や複硼化物が形成される量も
不十分となるため、溶融金属腐食耐性を劣化させるＣｏ
マトリックスの占める面積が広くなり、所望の溶融金属
腐食耐性および溶融金属摩耗耐性が得られなくなる。逆
に、３．０重量％を越えると、Ｃｕの添加は複炭化物お
よび複硼化物の形成効果が大きくなることによる被覆層
の脆化も招き、さらに、高温において酸化が激しくなっ
たり、自溶性も阻害されるため好ましくない。Cu: narrows the solid-liquid phase temperature range and promotes the formation of double borides. By containing Cu in an amount of 1.5 to 3.0% by weight, the resistance of the coating layer to wear of the molten metal is improved. Cu forms a solid solution in the Co matrix, promotes the formation of the above-mentioned double carbides and double borides, structurally stabilizes it, and prevents the toughness of the entire coating layer from being deteriorated due to the large content of Mo, Cr and W. It is an element. Further, even in a high temperature environment, due to the presence of Cu, these double carbides and double borides are in a stable state, so that excellent molten metal corrosion resistance and molten metal wear resistance can be obtained.
However, when the amount of Cu is less than 1.5% by weight, the solid-liquid phase temperature range becomes large, so that when the remelted coating layer is solidified, the double carbide and the complex boride are likely to segregate. In addition, since the amount of double carbides and double borides formed is insufficient, Co that deteriorates the resistance to molten metal corrosion
The area occupied by the matrix becomes large, and the desired molten metal corrosion resistance and molten metal wear resistance cannot be obtained. On the other hand, if it exceeds 3.0% by weight, the addition of Cu causes the brittleness of the coating layer due to the large effect of forming the double carbide and the double boride, and further, the oxidation becomes severe at high temperature and the self-sustaining property is high. Is also unfavorable because it is inhibited.
【００１６】Ｆｅ：Ｃｏマトリックス中に固溶して被覆
層全体の強度を高める。Ｆｅを１．５〜３．０重量％含
有させることにより、強度に関し好ましい結果が得られ
ている。Ｆｅの添加量が１．５重量％未満では添加の効
果が認められず、逆に、Ｆｅ添加量が３．０重量％を越
えると、被覆層の溶融金属腐食耐性および溶融金属摩耗
耐性をかえって低下させる。The solid solution in the Fe: Co matrix enhances the strength of the entire coating layer. By containing Fe in an amount of 1.5 to 3.0% by weight, favorable results regarding strength have been obtained. If the addition amount of Fe is less than 1.5% by weight, the effect of the addition is not observed. On the contrary, if the addition amount of Fe exceeds 3.0% by weight, the molten metal corrosion resistance and the molten metal wear resistance of the coating layer are rather changed. Lower.
【００１７】[0017]
（実施例１）高周波誘導真空溶解炉を用いて真空溶解し
て得た１６００℃の溶湯から、Ｃが１．２重量％であ
り、Ｓｉが２．８重量％であり、Ｃｒが１９．２重量％
であり、Ｗが１５．２重量％であり、Ｂが２．７重量％
であり、Ｎｉが７．１重量％であり、Ｍｎが０．１重量
％であり、Ｃｕが１．５重量％であり、Ｆｅが２．８重
量％であり、残部がＣｏと不可避的不純物である合金粉
末を水アトマイズ法によって作製し、この合金粉末を乾
燥の後、振動式分級機にて１２０〜３５０メッシュの合
金粉末を分級し、粉末式フレーム溶射ガンを用いて、ス
テンレス鋼の基板上に２〜３ｍｍの厚さの被覆層を形成
した。その後、酸素−アセチレン・バーナーを用いて１
１５０℃で再加熱する再溶融（合金化）処理を行って、
ステンレス鋼の基板上に自溶合金被覆層を形成し、機械
加工と表面研磨により、表面に形成された酸化物層を除
去する仕上げ加工をして試験片とした。この試験片被覆
層の硬度はビッカース硬度で８５０であった。上記のよ
うにして被覆層を形成した試験片に対し、さらに、公知
の浸漬腐食・摩耗試験装置を使用して、溶融亜鉛中浸漬
腐食・摩耗試験を行った。すなわち、試験片を４７０℃
のＺｎ−０．１５重量％Ａｌ組成の溶融亜鉛浴中にて固
定し、２０ｒｐｍで回転する相手材に押し付けた。相手
材はＪＩＳ Ｈ ８３０３制定のＭＳＦＣｏ２被覆材
で、試験荷重は５ｋｇ、試験時間は５時間として行っ
た。浴中の耐食・耐摩耗性を測定した結果、腐食・摩耗
減量は１３．７ｍｇと少なく、本発明の有効性が立証さ
れた。(Example 1) From a molten metal at 1600 ° C obtained by vacuum melting using a high frequency induction vacuum melting furnace, C was 1.2% by weight, Si was 2.8% by weight, and Cr was 19.2. weight%
And W is 15.2% by weight and B is 2.7% by weight.
Ni is 7.1% by weight, Mn is 0.1% by weight, Cu is 1.5% by weight, Fe is 2.8% by weight, and the balance is Co and inevitable impurities. The alloy powder is prepared by a water atomizing method, the alloy powder is dried, then the powder of 120 to 350 mesh is classified by a vibration classifier, and a stainless steel substrate is prepared using a powder flame spray gun. A 2-3 mm thick coating layer was formed on top. Then 1 with an oxygen-acetylene burner
Perform remelting (alloying) treatment by reheating at 150 ° C,
A self-fluxing alloy coating layer was formed on a stainless steel substrate, and finish processing was performed to remove the oxide layer formed on the surface by machining and surface polishing to obtain a test piece. The test piece coating layer had a Vickers hardness of 850. The test piece on which the coating layer was formed as described above was further subjected to an immersion corrosion / wear test in molten zinc using a known immersion corrosion / wear test apparatus. That is, the test piece is 470 ° C
Was fixed in a molten zinc bath having a Zn-0.15 wt% Al composition and was pressed against a mating member rotating at 20 rpm. The counterpart material was an MSFCo2 coating material defined by JIS H 8303, the test load was 5 kg, and the test time was 5 hours. As a result of measuring the corrosion resistance / wear resistance in the bath, the corrosion / wear loss was as small as 13.7 mg, demonstrating the effectiveness of the present invention.
【００１８】（実施例２）Ｃが１．４重量％であり、Ｓ
ｉが１．９重量％であり、Ｃｒが１５．３重量％であ
り、Ｍｏが３．４重量％であり、Ｗが１９．９重量％で
あり、Ｂが２．９重量％であり、Ｎｉが８．８重量％で
あり、Ｍｎが０．４重量％であり、Ｃｕが２．７重量％
であり、Ｆｅが１．７重量％であり、残部がＣｏと不可
避的不純物である組成の合金粉末を作製した他は、実施
例１と同様にして溶射、再溶融処理および仕上げ加工を
行って試験片とした。この試験片の硬度はビッカースで
９１０であった、さらに、実施例１と同様にその腐食・
摩耗減量を測定したところ、９．０ｍｇと少なく、本発
明の有効性が立証された。(Example 2) C is 1.4% by weight, and S
i is 1.9% by weight, Cr is 15.3% by weight, Mo is 3.4% by weight, W is 19.9% by weight, B is 2.9% by weight, Ni is 8.8% by weight, Mn is 0.4% by weight, and Cu is 2.7% by weight.
And Fe was 1.7% by weight and the balance was Co and the unavoidable impurities, and an alloy powder having a composition was produced, and thermal spraying, remelting treatment and finishing were performed in the same manner as in Example 1. The test piece was used. The hardness of this test piece was 910 on Vickers, and the corrosion /
The wear loss was measured and was as small as 9.0 mg, demonstrating the effectiveness of the present invention.
【００１９】（実施例３）Ｃが０．８重量％であり、Ｓ
ｉが１．６重量％であり、Ｃｒが２２．７重量％であ
り、Ｍｏが２．８重量％であり、Ｗが１７．２重量％で
あり、Ｂが３．３重量％であり、Ｎｉが６．２重量％で
あり、Ｍｎが０．３重量％であり、Ｃｕが２．０重量％
であり、Ｆｅが２．１重量％であり、残部がＣｏと不可
避的不純物である組成の合金粉末を作製した他は、実施
例１と同様にして溶射、再溶融処理および仕上げ加工を
行って試験片とした。この試験片の硬度はビッカース硬
度で９８０であった。さらに、実施例１と同様にその腐
食・摩耗減量を測定したところ、８．１ｍｇと少なく、
本発明の有効性が立証された。(Example 3) C is 0.8% by weight and S
i is 1.6% by weight, Cr is 22.7% by weight, Mo is 2.8% by weight, W is 17.2% by weight, B is 3.3% by weight, Ni is 6.2 wt%, Mn is 0.3 wt%, Cu is 2.0 wt%
And Fe was 2.1% by weight, and the balance was Co and the unavoidable impurities, and an alloy powder having a composition was produced, and thermal spraying, remelting treatment, and finishing were performed in the same manner as in Example 1. The test piece was used. The Vickers hardness of this test piece was 980. Furthermore, when the corrosion / abrasion weight loss was measured in the same manner as in Example 1, it was as small as 8.1 mg,
The effectiveness of the present invention has been proved.
【００２０】（実施例４）Ｃが１．２重量％であり、Ｓ
ｉが２．５重量％であり、Ｃｒが２０．２重量％であ
り、Ｍｏが３．１重量％であり、Ｗが１８．５重量％で
あり、Ｂが３．１重量％であり、Ｎｉが７．３重量％で
あり、Ｍｎが０．３重量％であり、Ｃｕが２．２重量％
であり、Ｆｅが１．９重量％であり、残部がＣｏと不可
避的不純物である組成の合金粉末を作製した他は、実施
例１と同様にして溶射、再溶融処理および仕上げ加工を
行って試験片とした。この試験片の硬度はビッカースで
９７０であった。さらに、実施例１と同様にその腐食・
摩耗減量を測定したところ、６．５ｍｇと少なく、本発
明の有効性が立証された。(Example 4) C is 1.2% by weight and S
i is 2.5% by weight, Cr is 20.2% by weight, Mo is 3.1% by weight, W is 18.5% by weight, B is 3.1% by weight, Ni is 7.3% by weight, Mn is 0.3% by weight, and Cu is 2.2% by weight.
And Fe was 1.9% by weight and the balance was Co and the unavoidable impurities, and an alloy powder having a composition was produced, and thermal spraying, remelting treatment and finishing were performed in the same manner as in Example 1. The test piece was used. The hardness of this test piece was 970 on Vickers. Further, as in Example 1, the corrosion /
The wear loss was measured and was as low as 6.5 mg, demonstrating the effectiveness of the present invention.
【００２１】（比較例１）Ｃが１．３重量％であり、Ｓ
ｉが２．８重量％であり、Ｃｒが１９．０重量％であ
り、Ｗが１４．５重量％であり、Ｂが２．６重量％であ
り、Ｎｉが１２．３重量％であり、Ｍｎが０．１重量％
であり、Ｃｕが０．３重量％であり、Ｆｅが０．２重量
％であり、残部がＣｏと不可避的不純物である組成の市
販の合金粉末を使用した他は、実施例１と同様にして溶
射、再溶融処理および仕上げ加工を行って試験片とし
た。この試験片の硬度はビッカース硬度で７９０しかな
かった。さらに、実施例１と同様に４７０℃のＺｎ−
０．１５重量％Ａｌの溶融亜鉛浴中における腐食・摩耗
減量を測定したところ、３４．９ｍｇもあり、本発明に
比較してはるかに劣る性質の被覆層しか生成し得なかっ
た。(Comparative Example 1) C is 1.3% by weight and S
i is 2.8% by weight, Cr is 19.0% by weight, W is 14.5% by weight, B is 2.6% by weight, Ni is 12.3% by weight, 0.1% by weight of Mn
And Cu was 0.3% by weight, Fe was 0.2% by weight, and the balance was Co. The same as in Example 1 except that a commercially available alloy powder having unavoidable impurities was used. Thermal spraying, remelting treatment and finishing were performed to obtain test pieces. The hardness of this test piece was only 790 in Vickers hardness. Further, as in Example 1, Zn-at 470 ° C. was used.
When the corrosion / wear loss was measured in a molten zinc bath containing 0.15 wt% Al, it was found to be 34.9 mg, and only a coating layer having properties far inferior to the present invention could be produced.
【００２２】（比較例２）Ｃが０．７重量％であり、Ｓ
ｉが１．８重量％であり、Ｃｒが２７．４重量％であ
り、Ｍｏが９．８重量％であり、Ｗが４．０重量％であ
り、Ｂが３．４重量％であり、Ｎｉが５．１重量％であ
り、残部がＣｏと不可避的不純物である組成の合金粉末
を得た他は、実施例１と同様にして溶射、再溶融処理お
よび仕上げ加工を行って試験片とした。この試験片の硬
度はビッカース硬度で７１０しかなかった。さらに、実
施例１と同様にその腐食・摩耗減量を測定したところ、
２９．２ｍｇもあり、本発明に比較してはるかに劣る性
質の被覆層しか生成し得なかった。(Comparative Example 2) C is 0.7% by weight and S
i is 1.8% by weight, Cr is 27.4% by weight, Mo is 9.8% by weight, W is 4.0% by weight, B is 3.4% by weight, Thermal spraying, remelting treatment and finishing were carried out in the same manner as in Example 1 except that an alloy powder having a composition in which Ni was 5.1% by weight and the balance was Co and inevitable impurities was obtained. did. The hardness of this test piece was only 710 in Vickers hardness. Furthermore, when the corrosion / wear loss was measured in the same manner as in Example 1,
It was also 29.2 mg, and could only produce a coating layer of much inferior properties compared to the present invention.
【００２３】（比較例３）Ｃが１．５重量％であり、Ｓ
ｉが１．２重量％であり、Ｃｒが３０．４重量％であ
り、Ｍｏが０．０１重量％であり、Ｗが８．２重量％で
あり、Ｎｉが０．０４重量％であり、Ｍｎが０．７重量
％であり、Ｆｅが０．０１重量％であり、残部がＣｏと
不可避的不純物である組成の合金粉末をガスアトマイズ
法により８０〜２８０メッシュに作製し、プラズマ粉体
肉盛溶接により被覆層を形成して試験片とした。この試
験片の硬度はビッカース硬度で５２０でしかなかった。
さらに、実施例１と同様にその腐食・摩耗減量を測定し
たところ、５５．８ｍｇもあり、本発明に比較してはる
かに劣る性質の被覆層しか生成し得なかった。(Comparative Example 3) C is 1.5% by weight and S
i is 1.2% by weight, Cr is 30.4% by weight, Mo is 0.01% by weight, W is 8.2% by weight, Ni is 0.04% by weight, An alloy powder having a composition in which Mn is 0.7% by weight, Fe is 0.01% by weight, and the balance is Co and unavoidable impurities is manufactured into 80 to 280 mesh by a gas atomization method, and plasma powder overlaying is performed. A coating layer was formed by welding to obtain a test piece. The hardness of this test piece was only 520 in Vickers hardness.
Further, when the corrosion / abrasion weight loss was measured in the same manner as in Example 1, it was 55.8 mg, and only a coating layer having properties far inferior to the present invention could be produced.
【００２４】（比較例４）Ｃが０．３重量％であり、Ｓ
ｉが２．０重量％であり、Ｃｒが２７．２重量％であ
り、Ｍｏが４．９重量％であり、Ｎｉが２．８重量％で
あり、Ｆｅが２．０重量％であり、残部がＣｏと不可避
的不純物である組成の合金粉末を比較例３と同様にして
作製し、プラズマ粉体肉盛溶接により被覆層を形成して
試験片とした。この試験片の硬度はビッカース硬度で５
００でしかなかった。さらに、実施例１と同様にその腐
食・摩耗減量を測定したところ、３８．２ｍｇもあり、
本発明に比較して劣る性質の被覆層しか生成し得なかっ
た。(Comparative Example 4) C is 0.3% by weight and S
i is 2.0% by weight, Cr is 27.2% by weight, Mo is 4.9% by weight, Ni is 2.8% by weight, Fe is 2.0% by weight, An alloy powder having a composition in which the balance was Co and inevitable impurities was produced in the same manner as in Comparative Example 3, and a coating layer was formed by plasma powder overlay welding to obtain a test piece. This test piece has a Vickers hardness of 5
It was only 00. Furthermore, when the corrosion / abrasion weight loss was measured in the same manner as in Example 1, there was 38.2 mg,
Only a coating layer of inferior properties could be produced compared to the present invention.
【００２５】（比較例５）Ｓｉが２．６重量％であり、
Ｃｒが８．８重量％であり、Ｍｏが３１．３重量％であ
り、残部がＣｏと不可避的不純物である組成の合金線材
を用いて爆発溶射により被覆層を形成した他は、実施例
１と同様にして試験片を形成した。この被覆層の硬度は
ビッカース硬度で４５８を示したに止まり、比較例１と
同様にその腐食・摩耗減量を測定したところ、２０．２
ｍｇもあり、本発明に比較して劣る性質の被覆層しか生
成し得なかった。(Comparative Example 5) Si was 2.6% by weight,
Example 1 except that the coating layer was formed by explosive spraying using an alloy wire having a composition in which Cr was 8.8% by weight, Mo was 31.3% by weight, and the balance was Co and inevitable impurities. A test piece was formed in the same manner as in. The hardness of this coating layer was only Vickers hardness of 458, and the corrosion / abrasion weight loss was measured in the same manner as in Comparative Example 1 to find that it was 20.2.
There was also mg, and only a coating layer having inferior properties as compared with the present invention could be produced.
【００２６】（比較例６）Ｃが１．３重量％であり、Ｓ
ｉが２．１重量％であり、Ｃｒが１４．７重量％であ
り、Ｗが３．８重量％であり、Ｍｏが１６．９重量％で
あり、Ｂが２．８重量％であり、Ｎｉが７．６重量％で
あり、Ｍｎが０．３重量％であり、残部がＣｏと不可避
的不純物である組成の合金粉末を使用した他は、実施例
１と同様にして溶射、再溶融処理および仕上げ加工を行
って試験片とした。この試験片の硬度はビッカース硬度
で８７０を示したものの、実施例１と同様にその腐食・
摩耗減量を測定したところ、３６．２ｍｇもあり、本発
明に比較してはるかに劣る性質の被覆層しか生成し得な
かった。(Comparative Example 6) C is 1.3% by weight and S
i is 2.1% by weight, Cr is 14.7% by weight, W is 3.8% by weight, Mo is 16.9% by weight, B is 2.8% by weight, Thermal spraying and remelting in the same manner as in Example 1 except that an alloy powder having a composition in which Ni is 7.6% by weight, Mn is 0.3% by weight, and the balance is Co and inevitable impurities is used. A test piece was prepared by processing and finishing. Although the hardness of this test piece showed Vickers hardness of 870, its corrosion and corrosion were the same as in Example 1.
The abrasion loss was measured to be 36.2 mg, and only a coating layer having properties far inferior to the present invention could be produced.
【００２７】以上に示したように、本発明による場合は
溶融金属浴中における腐食・摩耗減量が少なく、また硬
度が高い結果が得られている。これらの結果をまとめ
て、表１に使用材料の化学組成を、また、表２に以上の
試験結果をそれぞれまとめて表示する。As described above, according to the present invention, the corrosion / wear loss in the molten metal bath is small and the hardness is high. These results are summarized, Table 1 shows the chemical composition of the materials used, and Table 2 shows the above test results.
【００２８】[0028]
【表１】 No C Si Cr Mo W B Ni Mn Cu Fe Co 実 1 1．2 2．8 19．2 - 15．2 2．7 7．1 0．1 1．5 2．8 残 施 2 1．4 1．9 15．3 3．4 19．9 2．9 8．8 0．4 2．7 1．7 残 例 3 0．8 1．6 22．7 2．8 17．2 3．3 6．2 0．3 2．0 2．1 残 4 1．2 2．5 20．2 3．1 18．5 3．1 7．3 0．3 2．2 1．9 残 No C Si Cr Mo W B Ni Mn Cu Fe Co 比 1 1．3 2．8 19．0 - 14．5 2．6 12．3 0．1 0．3 0．2 残 較 2 0．7 1．8 27．4 9．8 4．0 3．4 5．1 - - - 残 例 3 1．5 1．2 30．4 0．01 8．2 - 0．04 0．7 - 0．01 残 4 0．3 2．0 27．2 4．9 - - 2．8 - - 2．0 残 5 - 2．6 8．8 31．3 - - - - - - 残 6 1．3 2．1 14．7 16．9 3．8 2．8 7．6 0．3 - - 残[Table 1] No C Si Cr Mo WB Ni Mn Cu Fe Co Ex 1 1.2 2.8 19.2-15.2 2.7 7.1 7.1 0.1 1.5 2.8 Remaining 2 1 4 1.9 15.3 3.4 3.4 19.9 2.9 8.8 0.4 2.7 1.7 Remaining examples 3 0.8 1.6 22.7 2.8 17.2 3.3 6 0.2 0.3 2.0 2.1 Remaining 4 1.2 2.5 2.5 20.2 3.1 18.5 3.1 7.3 0.3 2.3 1.9 Remaining No C Si Cr Mo WB Ni Mn Cu Fe Co Ratio 1 1.3 2.8 19.0 -14.5 2.6 12.3 0.1 0.1 0.3 0.2 Remainder 2 0.7 1.8 1.8 27.4 9.8 4.0 3.4 5.1---Remaining example 3 1.5 1.2 1.2 30.4 0.01 01 8.2-0.04 0.7-0.01 Remaining 4 0.3 2.0 27 .2 4.9--2.8--2.0 Remaining 5-2.6 8.8 31.3------Remaining 6 1.3 2.1 14.7 16.9 3.8 2.8 7.6 0.3--remaining
【００２９】[0029]
【表２】 硬さ 溶融亜鉛浴中における 合金の種類 被覆方法 腐食・摩耗減量 No (Hv) (mg) 実 1 850 13．7 Co基自溶合金 自溶合金溶射 施 2 910 9．0 Co基自溶合金 自溶合金溶射 例 3 980 8．1 Co基自溶合金 自溶合金溶射 4 970 6．5 Co基自溶合金 自溶合金溶射 硬さ 溶融亜鉛浴中における 合金の種類 被覆方法 腐食・摩耗減量(mg) NO (Hv) (mg) 比 1 790 34．9 JISMSFCo2相当合金 自溶合金溶射 2 710 29．2 JISMSFCo1相当合金 自溶合金溶射 較 3 520 55．8 ステライト合金＃12 フ゜ラス゛マ粉体肉盛溶接 4 500 38．2 ステライト合金＃21 フ゜ラス゛マ粉体肉盛溶接 例 5 458 20．2 Co基合金 爆発溶射 6 870 36．2 Co基自溶合金 自溶合金溶射[Table 2] Hardness Type of alloy in molten zinc bath Coating method Corrosion / wear loss No (Hv) (mg) Actual 1 850 13.7 Co base Self-fluxing alloy Self-fluxing alloy spraying 2 910 9.0 Co base Self-fluxing alloy Self-fluxing alloy spraying example 3 980 8.1 Co-based self-fluxing alloy Self-fluxing alloy spraying 4 970 6.5 Co-based self-fluxing alloy Self-fluxing alloy spraying hardness Hardness Kind of alloy in molten zinc bath Coating method Corrosion / Wear loss (mg) NO (Hv) (mg) Ratio 1 790 34.9 JISMSFCo2 equivalent alloy Self-fluxing alloy spraying 2 710 29.2 JISMSFCo1 equivalent alloy Self-fluxing alloy spraying comparison 3 520 55.8 Stellite alloy # 12 Plasma powder Overlay welding 4 500 38.2 Stellite alloy # 21 Plasma powder Overlay welding example 5 458 20.2 Co-based alloy Explosive spraying 6 870 36.2 Co-based self-fluxing alloy Self-fluxing alloy spraying
【００３０】[0030]
【発明の効果】本発明による場合には、被覆層素地中に
緻密な組織が均一に分散された溶融金属浸漬部材の製造
を容易にし、溶融亜鉛浴中における耐食性および耐摩耗
性に優れた被覆層を容易に生産できる被覆材料を用いた
被覆部材を提供することによって、各種の溶融金属浴浸
漬部材の寿命を大幅に延長し、表面処理鋼板の生産性を
向上させることができる。According to the present invention, it is possible to facilitate the production of a molten metal-immersed member in which a dense structure is uniformly dispersed in the coating layer base material, and to provide a coating excellent in corrosion resistance and wear resistance in a molten zinc bath. By providing a coating member using a coating material that can easily produce a layer, the life of various molten metal bath dipping members can be significantly extended and the productivity of surface-treated steel sheets can be improved.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岩本 隆明 大阪府茨木市安威２丁目20番11号 大阪ウ エルデイング工業株式会社内 (72)発明者 島谷 竜男 東京都港区新橋５丁目11番３号 住友金属 鉱山株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takaaki Iwamoto 2-20-11 Anui, Ibaraki City, Osaka Prefecture Osaka Welding Industry Co., Ltd. (72) Inventor Tatsuo Shimatani 5-11-3, Shinbashi, Minato-ku, Tokyo Sumitomo Metal Mining Co., Ltd.
Claims (6)
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｍｏ：３．５％以下、Ｗ：１５．０〜２０．０％、Ｂ：
２．５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍｎ：
０．１〜０．５％、Ｃｕ：１．５〜３．０％、Ｆｅ：
１．５〜３．０％であり、残部がＣｏおよび不可避的不
純物である組成物であり、かつ、ＣｒとＭｏとＷとの合
計が３４．０〜４１．０重量％で、さらにＮｉとＣｕと
Ｆｅとの合計が１０．０〜１４．０重量％であることを
特徴とする被覆用材料。1. In weight%, C: 0.8 to 1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
Mo: 3.5% or less, W: 15.0 to 20.0%, B:
2.5-3.5%, Ni: 6.0-9.0%, Mn:
0.1-0.5%, Cu: 1.5-3.0%, Fe:
The composition is 1.5 to 3.0%, the balance is Co and inevitable impurities, and the total content of Cr, Mo, and W is 34.0 to 41.0% by weight, and further Ni is added. A coating material characterized in that the total of Cu and Fe is 10.0 to 14.0% by weight.
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｍｏ：３．５％以下、Ｗ：１５．０〜２０．０％、Ｂ：
２．５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍｎ：
０．１〜０．５％、Ｃｕ：１．５〜３．０％、Ｆｅ：
１．５〜３．０％であり、残部がＣｏおよび不可避的不
純物である粉末組成物であり、かつ、ＣｒとＭｏとＷと
の合計が３４．０〜４１．０重量％であり、さらにＮｉ
とＣｕとＦｅとの合計が１０．０〜１４．０重量％で、
粒度が１２０〜３５０メッシュに分級されることを特徴
とする溶射被覆用材料。2. In weight%, C: 0.8 to 1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
Mo: 3.5% or less, W: 15.0 to 20.0%, B:
2.5-3.5%, Ni: 6.0-9.0%, Mn:
0.1-0.5%, Cu: 1.5-3.0%, Fe:
1.5 to 3.0%, the balance being Co and unavoidable impurities in the powder composition, and the sum of Cr, Mo and W is 34.0 to 41.0% by weight, and Ni
And the total of Cu and Fe are 10.0 to 14.0% by weight,
A material for thermal spray coating, wherein the particle size is classified to 120 to 350 mesh.
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｍｏ：３．５％以下、Ｗ：１５．０〜２０．０％、Ｂ：
２．５〜３．５％、Ｎｉ：６．０〜９．０％、Ｍｎ：
０．１〜０．５％、Ｃｕ：１．５〜３．０％、Ｆｅ：
１．５〜３．０％であり、残部がＣｏおよび不可避的不
純物であり、かつ、ＣｒとＭｏとＷとの合計が３４．０
〜４１．０重量％であり、さらにＮｉとＣｕとＦｅとの
合計が１０．０〜１４．０重量％である組成物によって
表面が被覆されていることを特徴とする金属浴浸漬用部
材。3. In weight%, C: 0.8-1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
Mo: 3.5% or less, W: 15.0 to 20.0%, B:
2.5-3.5%, Ni: 6.0-9.0%, Mn:
0.1-0.5%, Cu: 1.5-3.0%, Fe:
1.5 to 3.0%, the balance being Co and inevitable impurities, and the sum of Cr, Mo, and W is 34.0.
-41.0% by weight, and the surface is coated with a composition in which the total of Ni, Cu and Fe is 10.0-14.0% by weight.
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｗ：１５．０〜２０．０％、Ｂ：２．５〜３．５％、Ｎ
ｉ：６．０〜９．０％、Ｍｎ：０．１〜０．５％、Ｃ
ｕ：１．５〜３．０％、Ｆｅ：１．５〜３．０％であ
り、残部がＣｏおよび不可避的不純物である組成物であ
り、かつ、ＣｒとＷとの合計が３４．０〜４１．０重量
％で、さらにＮｉとＣｕとＦｅとの合計が１０．０〜１
４．０重量％であることを特徴とする被覆用材料。4. In weight%, C: 0.8 to 1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
W: 15.0 to 20.0%, B: 2.5 to 3.5%, N
i: 6.0 to 9.0%, Mn: 0.1 to 0.5%, C
u: 1.5 to 3.0%, Fe: 1.5 to 3.0%, the balance being Co and inevitable impurities, and the total of Cr and W is 34.0. ˜41.0% by weight, and the total amount of Ni, Cu and Fe is 10.0 to 1
A coating material characterized by being 4.0% by weight.
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｗ：１５．０〜２０．０％、Ｂ：２．５〜３．５％、Ｎ
ｉ：６．０〜９．０％、Ｍｎ：０．１〜０．５％、Ｃ
ｕ：１．５〜３．０％、Ｆｅ：１．５〜３．０％であ
り、残部がＣｏおよび不可避的不純物である粉末組成物
であり、かつ、ＣｒとＷとの合計が３４．０〜４１．０
重量％であり、さらにＮｉとＣｕとＦｅとの合計が１
０．０〜１４．０重量％で、粒度が１２０〜３５０メッ
シュに分級されることを特徴とする溶射被覆用材料。5. In weight%, C: 0.8-1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
W: 15.0 to 20.0%, B: 2.5 to 3.5%, N
i: 6.0 to 9.0%, Mn: 0.1 to 0.5%, C
u: 1.5 to 3.0%, Fe: 1.5 to 3.0%, the balance being a powder composition containing Co and inevitable impurities, and the total of Cr and W is 34. 0-41.0
%, And the total of Ni, Cu, and Fe is 1
A material for thermal spray coating, characterized in that it has a particle size of 120 to 350 mesh at 0.0 to 14.0% by weight.
ｉ：１．５〜３．０％、Ｃｒ：１５．０〜２３．０％、
Ｗ：１５．０〜２０．０％、Ｂ：２．５〜３．５％、Ｎ
ｉ：６．０〜９．０％、Ｍｎ：０．１〜０．５％、Ｃ
ｕ：１．５〜３．０％、Ｆｅ：１．５〜３．０％であ
り、残部がＣｏおよび不可避的不純物であり、かつ、Ｃ
ｒとＷとの合計が３４．０〜４１．０重量％であり、さ
らにＮｉとＣｕとＦｅとの合計が１０．０〜１４．０重
量％である組成物によって表面が被覆されていることを
特徴とする金属浴浸漬用部材。6. In weight%, C: 0.8-1.5%, S
i: 1.5 to 3.0%, Cr: 15.0 to 23.0%,
W: 15.0 to 20.0%, B: 2.5 to 3.5%, N
i: 6.0 to 9.0%, Mn: 0.1 to 0.5%, C
u: 1.5 to 3.0%, Fe: 1.5 to 3.0%, the balance being Co and inevitable impurities, and C
The surface is coated with a composition in which the total of r and W is 34.0 to 41.0% by weight, and the total of Ni, Cu, and Fe is 10.0 to 14.0% by weight. A member for metal bath dipping characterized by
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12453695A JPH08296023A (en) | 1995-04-26 | 1995-04-26 | Material for coating and member for immersing in metallic bath coated with the same material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12453695A JPH08296023A (en) | 1995-04-26 | 1995-04-26 | Material for coating and member for immersing in metallic bath coated with the same material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08296023A true JPH08296023A (en) | 1996-11-12 |
Family
ID=14887909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12453695A Pending JPH08296023A (en) | 1995-04-26 | 1995-04-26 | Material for coating and member for immersing in metallic bath coated with the same material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08296023A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161131A (en) * | 2004-12-09 | 2006-06-22 | Sumitomo Metal Mining Co Ltd | Co-BASED SELF-FLUXING ALLOY POWDER FOR THERMAL SPRAYING AND ITS PRODUCTION METHOD |
| EP2113578A3 (en) * | 2008-04-12 | 2010-02-24 | Jürgen Berthold | Metal body with metallic protective coating |
| JP2012522896A (en) * | 2009-04-07 | 2012-09-27 | フェデラル−モーグル ブルシェイド ゲーエムベーハー | Sliding element with adjustable characteristics |
| CN102828138A (en) * | 2012-09-14 | 2012-12-19 | 兰州理工合金粉末有限责任公司 | Nickel-chrome-molybdenum-tungsten alloy powder for plasma surfacing |
-
1995
- 1995-04-26 JP JP12453695A patent/JPH08296023A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006161131A (en) * | 2004-12-09 | 2006-06-22 | Sumitomo Metal Mining Co Ltd | Co-BASED SELF-FLUXING ALLOY POWDER FOR THERMAL SPRAYING AND ITS PRODUCTION METHOD |
| JP4652792B2 (en) * | 2004-12-09 | 2011-03-16 | 住友金属鉱山株式会社 | Co-based self-fluxing alloy powder for thermal spraying |
| EP2113578A3 (en) * | 2008-04-12 | 2010-02-24 | Jürgen Berthold | Metal body with metallic protective coating |
| JP2012522896A (en) * | 2009-04-07 | 2012-09-27 | フェデラル−モーグル ブルシェイド ゲーエムベーハー | Sliding element with adjustable characteristics |
| CN102828138A (en) * | 2012-09-14 | 2012-12-19 | 兰州理工合金粉末有限责任公司 | Nickel-chrome-molybdenum-tungsten alloy powder for plasma surfacing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7645493B2 (en) | Composite wires for coating substrates and methods of use | |
| JP2020530877A (en) | An iron-based alloy suitable for forming a coating having high hardness and corrosion resistance on a substrate, an article having a coating having high hardness and corrosion resistance, and a method for producing the same. | |
| CN101695713B (en) | Wc composite guide roller and manufacturing method thereof | |
| JP4532343B2 (en) | Carbide cermet sprayed coating member excellent in corrosion resistance and method for producing the same | |
| CA2567089C (en) | Wear resistant alloy powders and coatings | |
| JP2015517033A (en) | Low Si content steel strip | |
| JPH07300642A (en) | Coating material and metal bath immersion member coated with this material | |
| JPS61272358A (en) | Production of bearing material | |
| JP2001503816A (en) | Coated wear-resistant parts of internal combustion engines, in particular piston rings and methods for their production | |
| JPH08296023A (en) | Material for coating and member for immersing in metallic bath coated with the same material | |
| JPH08325698A (en) | Coating material for roll shaft member in continuous hot-dip metal plating bath | |
| CN101592187B (en) | Axle bush and axle sleeve | |
| JPS6311420B2 (en) | ||
| JPH08311630A (en) | Corrosion resistant and wear resistant self-fluxing alloy for thermal spraying | |
| WO1992006223A1 (en) | Nickel or cobalt based cermet with dispersed niobium carbide | |
| US20030098090A1 (en) | Surface coatings | |
| CN115704096A (en) | Gradient coating for shaft sleeve surface and manufacturing method thereof | |
| JPH02125833A (en) | Immersing member in galvanizing bath and its manufacture | |
| JPH06116703A (en) | Hearth roller having heat resistance and wear resistance | |
| JPH086166B2 (en) | Powder material for thermal spraying excellent in molten zinc resistance and thermal spray coating for molten zinc bath member | |
| JP2996148B2 (en) | Work roll for cold rolling and its manufacturing method | |
| JPH0135057B2 (en) | ||
| KR101194459B1 (en) | Coating method of surface coating composition for molten zinc bath member, and coating member | |
| JP2024094761A (en) | Ni-based self-fluxing alloy | |
| KR100431597B1 (en) | Cobalt alloys with improved wear resistance used in the bushes and the sleeves of molten-zinc bath |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20040210 |