JPS58132393A - Composite wire for welding 9% ni steel - Google Patents
Composite wire for welding 9% ni steelInfo
- Publication number
- JPS58132393A JPS58132393A JP1405282A JP1405282A JPS58132393A JP S58132393 A JPS58132393 A JP S58132393A JP 1405282 A JP1405282 A JP 1405282A JP 1405282 A JP1405282 A JP 1405282A JP S58132393 A JPS58132393 A JP S58132393A
- Authority
- JP
- Japan
- Prior art keywords
- welding
- wire
- hoop
- steel
- compsn
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 49
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 20
- 239000010959 steel Substances 0.000 title claims abstract description 20
- 239000002131 composite material Substances 0.000 title claims abstract description 9
- 238000005275 alloying Methods 0.000 claims abstract description 17
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 15
- 230000004907 flux Effects 0.000 claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 35
- 239000003795 chemical substances by application Substances 0.000 abstract description 26
- 239000002893 slag Substances 0.000 abstract description 20
- 239000000463 material Substances 0.000 abstract description 13
- 229910001026 inconel Inorganic materials 0.000 abstract description 9
- 229910000856 hastalloy Inorganic materials 0.000 abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 3
- 229910002593 Fe-Ti Inorganic materials 0.000 abstract description 2
- 229910017116 Fe—Mo Inorganic materials 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 229910052804 chromium Inorganic materials 0.000 abstract description 2
- 229910052748 manganese Inorganic materials 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- -1 W Mo Inorganic materials 0.000 abstract 1
- 229910052799 carbon Inorganic materials 0.000 abstract 1
- 150000002222 fluorine compounds Chemical class 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052698 phosphorus Inorganic materials 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000011324 bead Substances 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005493 welding type Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910001512 metal fluoride Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3033—Ni as the principal constituent
Abstract
Description
【発明の詳細な説明】
この発明は、９ＺＮｉ鋼を溶接するだめの複合ワイヤに
関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a composite wire for welding 9ZNi steel.
９ＺＮｉ鋼は極めて良好な低温靭性を示し、その性質を
活して種々の液化ガス貯蔵タンクの材料に用いられてい
る。このようなことから９４Ｎｉ鋼の溶接部には強度ば
かりでなく高度の低温靭性が要求され、溶接部のこれら
特性はＡＰ Ｉ 、 ＡＳＭＥ 、 ＮＫ等の規格によ
り厳しく規定されている−０例えばＡＰＩでは、溶着金
属の引張強度が６６．８Ｖ−より九同じく溶着金属の一
１９６℃におけるシャルピー衝ＺＮｉ鋼が、酸素等の不
純物量を著しく低くしないと低温靭性が劣化するために
、現在はＴＩＧ溶接法でしか使用できず、能率面で大き
な問題がある。9ZNi steel exhibits extremely good low-temperature toughness, and taking advantage of this property, it is used as a material for various liquefied gas storage tanks. For this reason, welds of 94Ni steel are required to have not only strength but also a high degree of low-temperature toughness, and these properties of welds are strictly regulated by standards such as API, ASME, and NK. , the tensile strength of the weld metal is 66.8V-9. Similarly, the weld metal is Charpy-impregnated at 196°C, but the low-temperature toughness deteriorates unless the amount of impurities such as oxygen is significantly reduced, so currently TIG welding is used. It can only be used in the following areas, and there is a big problem in terms of efficiency.
そのためインコネル、ハステロイ等のいわゆるＮｉ基合
金が一般に使用されており、これは軟質継手であること
から、脆性破壊の伝播停止特性の観点からも有利である
。Therefore, so-called Ni-based alloys such as Inconel and Hastelloy are generally used, and since these are soft joints, they are also advantageous from the viewpoint of stopping the propagation of brittle fracture.
溶接方法としては、サブマージアーク溶接、ＴＩＧ溶接
、被覆アーク溶接が主に用いられており、一部ソリッド
ワイヤによるシールドガスアーク溶接も実用化されてい
るが、−膜化するまでには至っていない。As welding methods, submerged arc welding, TIG welding, and covered arc welding are mainly used, and shielded gas arc welding using solid wire has also been put into practical use in some cases, but it has not yet been achieved to form a film.
ところで、近ごろ溶接の自動化が盛んに言われているが
、この自動溶接にガスシールドアーク溶接が最適なこと
は・良く知られているとおりである。By the way, automation of welding has been talked about a lot lately, and it is well known that gas shielded arc welding is optimal for this automatic welding.
ところが、従来のガスシールドアータによる９チＮｉ鋼
溶接は、上述したとおりＮ基合金のソリ・ンドワイヤを
使用する。インコネル、ノ）ステロイといったＭ基合金
のソリッドワイヤは、組成調整のための造塊を繰返すこ
とから、一般の低合金鋼溶接材料と較べて製造工程が複
雑で、製造コストが極めて高いものとなる。However, the conventional welding of 9-inch Ni steel using a gas shield atter uses a solid wire made of an N-based alloy, as described above. Solid wires made of M-based alloys such as Inconel and Nosteroy require repeated ingot formation to adjust their composition, making the manufacturing process more complicated and the manufacturing cost extremely high compared to general low-alloy steel welding materials. .
本発明は、この欠点を解消した９％Ｎｉ鋼溶接用ワイヤ
を提供しようとするもので、その特徴とするところは、
ワイヤをフラックス内包のいわゆる複合ワイヤとし、そ
のフープとして実質的にＮｉのみからなる材料を使用す
るとともに、このＮフープにフラックスとして少なくと
も下記の如き合金剤を内包せしめた点にある。The present invention aims to provide a 9% Ni steel welding wire that eliminates this drawback, and its features are as follows:
The wire is a so-called composite wire containing flux, the hoop thereof is made of a material consisting essentially only of Ni, and the N hoop is made to contain at least the following alloying agent as flux.
すなわち、フラックスも含めたワイヤ全体の金属組成を
、インコネル、ノλステロイといった９％Ｎｉ鋼の溶接
に適したＮｉ基合金の組成に一致させるのに必要な種類
および量の合金剤である。That is, the alloying agent is of the type and amount necessary to make the metal composition of the entire wire, including the flux, match the composition of a Ni-based alloy suitable for welding 9% Ni steel, such as Inconel or No.lambda.
このような溶接用ワイヤは、フープが事実上Ｎｉの単−
組成であるために、フープの製造に当って組成調整のた
めの造塊を必要とせず、フープ内にフラックスを巻き込
むだけでワイヤ製造が可能なことから、製造工程が従来
のＮｉ基合金のソリッドワイヤの場合と較べて著しく簡
略化し、その価格を大巾低下せしめるばかりでなく、フ
ープにおいて不足するＣｒ ｓＭｎ ＋Ｍｏ ｔＮｂ
ａ Ｆｅといった合金元素を合金剤の内包により別途補
い、ワイヤ全体としてはインコネル、ハステロイといっ
た９％Ｎｉ鋼溶接用材料と同一の金属組成を確保し得る
ものであるから、これら材料で溶接するのと同様の高強
度で低温靭性に優れた溶接部を得ることができるのであ
る。Such a welding wire has a hoop that is essentially a single layer of Ni.
Because of its composition, there is no need for ingots to adjust the composition when manufacturing the hoop, and wire can be manufactured by simply rolling flux into the hoop, so the manufacturing process is different from the conventional solid Ni-based alloy. It not only simplifies the process significantly compared to the case of wire and significantly lowers its price, but also eliminates the need for Cr sMn + Mo tNb, which is insufficient in hoops.
By separately supplementing alloying elements such as a Fe by incorporating an alloying agent, the wire as a whole can have the same metal composition as 9% Ni steel welding materials such as Inconel and Hastelloy, so it is possible to weld with these materials. It is possible to obtain a welded joint with similar high strength and excellent low-temperature toughness.
加えて、従来のソリッドワイヤを使用したシールドガス
アークによる溶接では、スパッタが多い、アーク雰囲気
が粗く使いにくいといった問題の他に、アーク特性改善
のために活性ガスを使用した場合にはビード表面の酸化
のためにビード外観が悪化する問題を生じ、更にワイヤ
の比溶融速度が大きいことから凸ビードになりやすい問
題も生じるが、本発明の溶接用ワイヤではフープに合金
剤とともに金属酸化物、金属弗化物等のいわゆるスラグ
形成剤を内包させることが可能なことから、溶融金属が
スラグで効果的に被包され、叙上の問題を全て解決する
こともできるのである。In addition, in conventional shielded gas arc welding using solid wire, there are problems such as a lot of spatter and a rough arc atmosphere that makes it difficult to use.In addition, when active gas is used to improve arc characteristics, oxidation of the bead surface occurs. However, the welding wire of the present invention contains metal oxides and metal fluoride in the hoop along with the alloying agent. Since it is possible to encapsulate a so-called slag-forming agent such as a chemical compound, the molten metal is effectively encapsulated with slag, and all of the above-mentioned problems can be solved.
更にまた、このスラグ形成軸に関連し、従来の９ＳＮｉ
鋼溶接に多用されるサブマージアーク溶接では、溶接予
定部にスラグ形成剤主体のフラックスを散布することか
ら、溶接姿勢がフラックスの保持が可能々下向に限定さ
れるが、本発明の９％種鋼溶接用ワイヤでは、フープに
スラグ形成剤を内包させ得ることから、このような制限
も解除されるのである。Furthermore, related to this slag forming axis, conventional 9SNi
In submerged arc welding, which is often used for steel welding, flux mainly consisting of a slag forming agent is sprayed onto the welding area, so the welding position is limited to a downward position where the flux can be maintained. With steel welding wires, this restriction is lifted because the hoop can contain a slag-forming agent.
以下、本発明の溶接用ワイヤを〈フープ〉、〈フラ゛ツ
クス（合金剤）〉、クフラッグス（スラグ形成剤）〉、
〈実施例〉の順で詳しく説明する。Hereinafter, the welding wire of the present invention will be described as <hoop>, <flux (alloy agent)>, flags (slag forming agent),
A detailed explanation will be given in the order of <Example>.
くフープ〉
フニプの材質は一般に「ニラクル」乃至「純ニッケル」
と称されているもので、具体的には９９重量−以上のＮ
ｉを、含有し、残部がＳｉ９Ｍｒ１．Ｐ、Ｓ。Hoop> The material of the hoop is generally "Niracle" or "Pure nickel"
specifically, 99% by weight or more of N.
i, with the remainder being Si9Mr1. P.S.
Ｆｅ等の不純物からなるものである。It consists of impurities such as Fe.
フープの厚みおよび巾は使用条件等から適当に決定され
、一般には厚みは０．１〜１．０■の範囲内、巾は５〜
３５ｍ範囲内に調整される。The thickness and width of the hoop are determined appropriately based on the conditions of use, etc. Generally, the thickness is within the range of 0.1 to 1.0 cm, and the width is within the range of 5 to 1.0 cm.
Adjusted to within 35m range.
くフラックス（合金剤）〉
合金剤の種類および量は、ワイヤ全体（フープおよび合
金剤）の金属組成が、インコネル、ハステロイといった
９％Ｎｉ鋼の溶接に適したＮｉ基合金の組成に一致する
よう決定される。Flux (alloying agent)> The type and amount of alloying agent should be selected so that the metal composition of the entire wire (hoop and alloying agent) matches the composition of Ni-based alloys suitable for welding 9% Ni steel such as Inconel and Hastelloy. It is determined.
参考までに、９％Ｎｉ鋼の溶接に適したＮｉ基合金の組
成範囲を示すと次のとおりである。For reference, the composition range of Ni-based alloys suitable for welding 9% Ni steel is as follows.
必須元素
Ｎｉ：５０〜８０重量％
Ｃｒ ： ８〜２５重量％
Ｍｏ：０．５〜２０重量％
Ｆｅ：３〜１５重量％
必要に応じて添加される元素
■口０．３〜４０重量％
Ｗｈｏ〜５重量係
Ｃ：０．０１〜０．１５重量％
Ｎｂ ニー０〜５・重量％
このうち、Ｎｉはフープによってまかなわれるから、そ
れ以外の元素が合金剤によって加えられることとなる。Essential elements Ni: 50-80% by weight Cr: 8-25% by weight Mo: 0.5-20% by weight Fe: 3-15% by weight Elements added as necessary 0.3-40% by weight Who -5 Weight factor C: 0.01-0.15% by weight Nb Ni 0-5% by weight Among these, since Ni is supplied by the hoop, other elements are added by the alloying agent.
合金剤としては具体的には、粉末のＣｒｗＷ＊Ｍ。Specifically, the alloying agent is powdered CrwW*M.
（Ｆｅ−Ｍｏ） ｓＴｉ （Ｆｅ−Ｔｉ ） ５Ｆｅ−
ＮｂｓＣｅＳｉ ＋Ｍｎ等である。(Fe-Mo) sTi (Fe-Ti) 5Fe-
NbsCeSi +Mn, etc.
くフラックス（スラグ形成剤）〉
本発明の溶接用ワイヤでは、必要に応じてスラグ形成剤
を内包させることが可能である。Flux (Slag Forming Agent)> The welding wire of the present invention can contain a slag forming agent, if necessary.
スラグ形成剤としては具体的には、金属酸化物（Ｓ ｉ
Ｃｈ 、Ｔｉ０ｚ 、ＡＪｚ０３＊ ＣａＯ等）、金属
弗化物（ＣａＦ２ ＊ＶＪｇＦ、ＮａＦ等）、これらの
複合化合物（ＺｒＳｉＯ２゜ＫｚＳｉＦａ ｅＮａｓｋ
ｌＦ６等）などである。Specifically, the slag forming agent is metal oxide (Si
Ch , TiOz , AJz03* CaO, etc.), metal fluorides (CaF2 *VJgF, NaF, etc.), their composite compounds (ZrSiO2゜KzSiFa eNask
IF6, etc.).
スラグ形成剤を使用する場合、その量はワイヤ重量比で
３〜１５％の範囲内に制限するのが望ましい。If a slag forming agent is used, it is desirable to limit its amount to within the range of 3 to 15% by weight of the wire.
なぜなら、スラグ形成剤が３ワイヤ重量％より少ないと
、ビード表面をスラグが完全に包被し得ないことから、
スラグ形成剤を用いた意味が殆どなくなり、逆に、スラ
グ形成剤が１５ワイヤ重量％を超えると、スラグ過剰の
ためにスラグがアーク直下の溶融金属を被い、アーク安
定のさまたげになるとともに、アーク力により溶接金属
内に溶融スラグが巻き込まれて、溶接欠陥を生じる原因
になるからである。This is because if the slag forming agent is less than 3% by weight of the wire, the slag cannot completely cover the bead surface.
There is almost no point in using a slag forming agent; on the other hand, if the slag forming agent exceeds 15% by weight of the wire, the slag will cover the molten metal directly under the arc due to excess slag, hindering arc stability. This is because molten slag is drawn into the weld metal by the arc force, causing welding defects.
〈実施例〉
純度９９チ以上のＮフープを使用して、本発明の溶接用
ワイヤ３種類Ａ、Ｂ、Ｃを作製した。フープ中のＮｉの
ワイヤ全体に占める割合、およびフラッフ配合比′を第
１表に示す。第１表に見るようへ３種類の溶接用ワイヤ
Ａ、Ｂ、ＣはＮｉおよびＣｒのワイヤ全体に占める割合
がそれぞれ５９〜６１重量係および１３〜１４ワイヤ重
量係であり、更にワイヤＣについてはＭｏの占める割合
が１４ワイヤ重量％であることから、ワイヤＡ、Ｂはイ
ンコネル系を、またワイヤＣはハステロイ系の溶接用ワ
イヤを狙ったものであることがわかる。<Example> Three types of welding wires A, B, and C of the present invention were produced using N hoops with a purity of 99% or higher. Table 1 shows the ratio of Ni in the hoop to the total wire and the fluff blending ratio'. As shown in Table 1, for the three types of welding wires A, B, and C, the ratio of Ni and Cr to the total wire weight is 59 to 61 and 13 to 14, respectively, and for wire C, Since the proportion of Mo is 14% by weight of the wire, it can be seen that wires A and B are intended for Inconel-based welding wires, and wire C is intended for Hastelloy-based welding wires.
第 １ 表
これら３種類の溶接用ワイヤを使用して、９チＮｉ鋼に
、ガスシールドアータにより溶接試験を実施し、溶着金
属の化学組成および溶接継手部の機械的性質を調査した
。機械的性質の調査は、引張試験についてはＪＩＳ ２
２２４１、衝撃試験はＪＩＳＺ２２４２、曲げ試験はＪ
ＩＳＺ２２４８に、それぞれ準じて行なった。溶接条件
は第２表に示すとおりである。Table 1 Using these three types of welding wires, welding tests were carried out on 9-inch Ni steel using a gas-shielded Atar, and the chemical composition of the deposited metal and the mechanical properties of the welded joint were investigated. Mechanical property investigation is based on JIS 2 for tensile testing.
2241, impact test is JISZ2242, bending test is J
Each test was carried out in accordance with ISZ2248. The welding conditions are shown in Table 2.
第 ２ 表
溶着金属の化学組成を第３表に示すが、第１表に示す数
値、特に、スラグ形成剤を除いた合金剤のみの重量％に
換算した数値と較べて大きな差はなく、本発明ワイヤの
成分歩留りが安定していることを確認した。Table 2 The chemical composition of the weld metal is shown in Table 3, and there is no significant difference compared to the values shown in Table 1, especially the values converted to weight percent of the alloying agent excluding the slag forming agent. It was confirmed that the component yield of the invented wire was stable.
第４表は、溶接継手部の機械的性質、適合規格、ならび
に代表的規格の具体的数値を示したものであるが、本発
明ワイヤによる溶接継手部はいずれも優れた強度および
低温靭性を有し、多くの規格を満足して、９ＺＮｉ鋼の
溶接に安心して使用できることを確認した。Table 4 shows the mechanical properties of welded joints, applicable standards, and specific numerical values of representative standards. All welded joints made of the wire of the present invention have excellent strength and low-temperature toughness. However, it was confirmed that it satisfies many standards and can be used safely for welding 9ZNi steel.
更にまた、上記溶接用ワイヤＡ、Ｂ、Ｃによる溶接では
、溶接欠陥を生じないばかりでなく、アークの雰囲気、
スラグの包被性、ビードの外観とい ′つた点でも
非常に良好で、スパッタ発生率も０．４チと非常に少な
く、フラックス中のスラグ形成剤による効果の大きいこ
とも確認した。Furthermore, welding using the above-mentioned welding wires A, B, and C not only does not cause welding defects, but also eliminates the arc atmosphere.
The slag coverage and bead appearance were also very good, and the spatter generation rate was very low at 0.4 inches, confirming that the slag forming agent in the flux was highly effective.
参考までに、インコネル系のＮｉ基合金からなるソリッ
ドワイヤを使用して同様のガスシールドアークによる９
％Ｎｉ鋼溶接を行ったところ、溶接欠陥は生じなかった
ものの、アークの雰囲気、スラグの包被性、ビードの外
観といった点では本発明ワイヤの場合に較べて大きく劣
り、スパッタ発生率も０，８係と多かった。For reference, a similar gas-shielded arc using a solid wire made of Inconel-based Ni-based alloy was used.
%Ni steel, no welding defects occurred, but the arc atmosphere, slag coverage, and bead appearance were significantly inferior to those of the wire of the present invention, and the spatter incidence was 0. There were as many as 8 staff.
また、本発明者らは被覆アーク溶接およびサブマージア
ーク溶接との比較も行ったが、これらの溶接ではガスシ
ールドアーク溶接と較べて能率が悪いばかりでなく、入
熱量が大きいことから、母材からの希釈により溶着金属
が組成変化を起し、溶接継手部の機械的性質が悪化した
。The inventors also made a comparison with shielded arc welding and submerged arc welding, but these welds are not only less efficient than gas shielded arc welding, but also have a large amount of heat input, so it is difficult to Due to the dilution of the weld metal, the composition of the weld metal changed and the mechanical properties of the welded joint deteriorated.
以上の説明から明らかなように、本発明の溶接用ワイヤ
は、９％Ｎｉ鋼の溶接材料であるＮｉ基合金の製造コス
トが高いことから、ワイヤの製造コストと組成とを完全
に切り離して考え、この考えに沿って溶接材料として複
合ワイヤを用い、そのフープに製造コ釉の低いＮｉ材を
使用するとともに、Ｎｉ材の使用によって不足する合金
成分を、フープに内包される合金剤によって別途補おう
とするものであるから、従来のソリッドワイヤと較べて
価格の安いことは言うに及ばず、組成調整も容易で溶接
部に高度の機械的性能を付与し、溶接部の厳しい規格に
も十分応え得るものとなる。As is clear from the above description, since the manufacturing cost of the Ni-based alloy, which is a welding material for 9% Ni steel, is high, the welding wire of the present invention is designed to completely separate the manufacturing cost and composition of the wire. In line with this idea, a composite wire is used as the welding material, and a Ni material with low manufacturing glaze is used for the hoop, and the alloying agent contained in the hoop separately compensates for the insufficient alloying components due to the use of the Ni material. Not only is it cheaper than conventional solid wires, but it is also easy to adjust the composition, imparts high mechanical performance to welds, and satisfies the strict standards for welds. It becomes something you get.
Claims (1)
って、フープは実質的にＮｉのみからなり、該Ｎｉフー
プにはフラックスとして少なくとも、ワイヤ全体の金属
組成を９ＳＮｉ鋼の溶接に適したＮｉ基合金の組成に一
致させるのに必要な種類および量の合金剤が内包されて
いることを特徴とする９％Ｎｉ＃浴接用複合ワイヤ。(1) A composite wire for welding 9% Ni steel, the hoop is made essentially only of Ni, and the Ni hoop is coated with at least a flux that changes the metal composition of the entire wire to be suitable for welding 9SNi steel. A composite wire for welding a 9% Ni# bath, characterized in that it contains an alloying agent of the type and amount necessary to match the composition of a Ni-based alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1405282A JPS58132393A (en) | 1982-01-30 | 1982-01-30 | Composite wire for welding 9% ni steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1405282A JPS58132393A (en) | 1982-01-30 | 1982-01-30 | Composite wire for welding 9% ni steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58132393A true JPS58132393A (en) | 1983-08-06 |
Family
ID=11850314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1405282A Pending JPS58132393A (en) | 1982-01-30 | 1982-01-30 | Composite wire for welding 9% ni steel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58132393A (en) |
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| JP2015085367A (en) * | 2013-10-31 | 2015-05-07 | 株式会社神戸製鋼所 | Deposited metal |
| JP2016532565A (en) * | 2013-09-16 | 2016-10-20 | リンカーン グローバル， インコーポレイテッドＬｉｎｃｏｌｎ Ｇｌｏｂａｌ， Ｉｎｃ． | Flux-cored welding electrode for 5-9% nickel steel |
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-
1982
- 1982-01-30 JP JP1405282A patent/JPS58132393A/en active Pending
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|---|---|---|---|---|
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