JPS63104780A - Simultaneous brazing method for iron and steel additive parts to iron and steel pipes - Google Patents
Simultaneous brazing method for iron and steel additive parts to iron and steel pipesInfo
- Publication number
- JPS63104780A JPS63104780A JP25114086A JP25114086A JPS63104780A JP S63104780 A JPS63104780 A JP S63104780A JP 25114086 A JP25114086 A JP 25114086A JP 25114086 A JP25114086 A JP 25114086A JP S63104780 A JPS63104780 A JP S63104780A
- Authority
- JP
- Japan
- Prior art keywords
- iron
- steel
- brazing
- steel pipe
- furnace
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 31
- 239000010959 steel Substances 0.000 title claims abstract description 31
- 238000005219 brazing Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 10
- 229910052742 iron Inorganic materials 0.000 title abstract 5
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 238000007747 plating Methods 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000000945 filler Substances 0.000 abstract description 5
- 238000005304 joining Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
Landscapes
- Coating With Molten Metal (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
この発明は、各種配管設備に用いられるような、例えば
炭素鋼やステンレス鋼等の単一の鉄鋼パイプに配管接続
用の複数のジヨイント部材が取付けられたような付設部
品付きパイプ材の製造に際し、１つの鉄鋼パイプに対し
て複数の鉄鋼付設部品を一括してろう付する方法に関す
る。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention is used in various piping equipment, in which a plurality of joint members for pipe connection are attached to a single steel pipe, such as carbon steel or stainless steel. The present invention relates to a method for collectively brazing a plurality of steel fittings to one steel pipe when manufacturing pipe materials with fittings such as the above.
従来の技術
従来、例えば第２図に示すように、１つの鉄鋼パイプ（
１０）に対しジヨイント部材や取付片等の鉄鋼付設部品
（２０）をろう付接合する場合、先ず前記パイプ（１０
）の所定箇所に、付設部品（２０）をスポット溶接する
ことにより仮止めし、次いで前記各付設部品（２０）の
基端部（２０ａ ）の周辺に銅の置きろう材（３０）を
置き、その後水素またはアンモニア等の雰囲気ガス中ま
たは真空中にて炉中ろう付を行なう方法が一般的に採用
されていた。Conventional technology Conventionally, for example, as shown in Fig. 2, one steel pipe (
When brazing and joining steel fittings (20) such as joint members and mounting pieces to the pipe (10), first
), the attached parts (20) are temporarily fixed by spot welding, and then a copper brazing filler metal (30) is placed around the base end (20a) of each of the attached parts (20), Thereafter, a method of performing furnace brazing in an atmospheric gas such as hydrogen or ammonia or in a vacuum was generally adopted.
発明が解決しようとする問題点
しかしながら、このような方法では、特に接合すべき付
設部品が多数ある場合には、置きろう材またはペースト
のセツティングに多くの手数と時間がかかり面倒なもの
であり、ひいては製造コストが高くつき製品のコストア
ップを招くという問題点があった。Problems to be Solved by the Invention However, with this method, setting the brazing filler metal or paste requires a lot of effort and time, and is troublesome, especially when there are a large number of attached parts to be joined. Furthermore, there is a problem in that the manufacturing cost is high, leading to an increase in the cost of the product.
この発明は、上述のような問題点を解消するためになさ
れたもので、１つの鉄鋼パイプに対して複数の鉄鋼付設
部品を一括してろう付するに際し、付設部品毎に置きろ
う材を置〈従来の方法と較べて手数と時間を大幅に省略
し得る作業効率に優れたろう付方法を呈示しようとする
ものである。This invention was made to solve the above-mentioned problems, and when brazing a plurality of steel fittings to one steel pipe all at once, it is necessary to place brazing material for each fitting. <This is an attempt to present a brazing method with excellent work efficiency that can significantly reduce labor and time compared to conventional methods.
問題点を解決する為の手段
而して、この発明は、予め鉄鋼パイプの外周面に銅メッ
キを施すことにより、手数と時間のかかる置きろう材等
のセツティングを不要とし、大幅に作業を簡略化し得た
ものである。As a means to solve the problem, the present invention provides copper plating to the outer peripheral surface of the steel pipe in advance, thereby eliminating the need for setting brazing filler metal, etc., which takes time and effort, and greatly simplifying the work. This could have been simplified.
即ち、この発明は、１つの鉄鋼パイプにジヨイント部材
や取付片等の付設部品を一括してろう付する方法におい
て、予め前記パイプの外周面に銅メッキを施しておき、
その後該メッキ層上に前記各付設部品を仮止め状態に付
設したのち、これを炉中に搬入して所定温度に加熱する
ことにより炉中ろう付を行なうことを特徴とする鉄鋼パ
イプに対する鉄鋼付設部品の一括ろう付方法を要旨とす
るものである。That is, the present invention provides a method for collectively brazing attached parts such as a joint member and a mounting piece to one steel pipe, in which copper plating is applied to the outer circumferential surface of the pipe in advance;
After that, each of the attached parts is temporarily attached on the plated layer, and then carried into a furnace and heated to a predetermined temperature to perform in-furnace brazing. The gist is a method for bulk brazing parts.
鉄鋼パイプの外周面にメッキされた銅は、ろう付の際に
ろう材として供給されるものである。Copper plated on the outer peripheral surface of steel pipes is supplied as a brazing material during brazing.
この銅メッキ層の厚さが、２μｍ程度未満ではろう材が
不足して充分な接合強度が得られず、逆に２００μｍを
越えて形成されると、ろう材が過剰となり不経済である
。従って、その厚さは、２〜２００μｍの範囲内に設定
することが必要であり、５〜１００μｍの範囲内に設定
することが好ましい。特に好適な厚さは、１０μｍ程度
である。If the thickness of the copper plating layer is less than about 2 .mu.m, there will be insufficient brazing material and sufficient bonding strength will not be obtained, whereas if it exceeds 200 .mu.m, there will be an excess of brazing material, which is uneconomical. Therefore, it is necessary to set the thickness within the range of 2 to 200 μm, and preferably within the range of 5 to 100 μm. A particularly suitable thickness is about 10 μm.
上記メッキ層は、電気メツキ法により形成するのが一般
的であるが、もとより溶融メッキ法等の他の方法も許容
される。The plated layer is generally formed by electroplating, but other methods such as hot-dip plating are also acceptable.
銅メッキの施された鉄鋼パイプに対する付設部品の仮止
めは、スポット溶接によって行なわれるのが一般的であ
るが、特に該方法のみに限定されるものではなく、かし
め等の他の方法によることも許容される。Temporary fixing of attached parts to copper-plated steel pipes is generally done by spot welding, but it is not limited to this method, and other methods such as caulking may also be used. Permissible.
炉中ろう付は、水素、アンモニア等の雰囲気ガス中、あ
るいは真空中にて行なわれるのが普通である。Furnace brazing is usually performed in an atmospheric gas such as hydrogen or ammonia, or in a vacuum.
発明の効果
この発明に係る鉄鋼パイプのろう付方法は、１つの鉄鋼
パイプに対してジヨイント部材や取付片等の複数の鉄鋼
付設部品を一括してろう付するに際し、予め前記パイプ
に銅メッキを施しておき、その後該メッキ層上に前記各
付設部品を仮止め状態に付設したのち、これを炉中に搬
入して所定温度に加熱することにより炉中ろう付を行な
うものであるから、従来の方法のように各付設部品毎に
置きろう材を置く手数と時間がかかる面倒な作業を省略
し得て、接合作業の顕著な簡素化を図り得、ひいては両
者を接合して製作される製品の製造コストの低減を図り
得る。Effects of the Invention The method for brazing steel pipes according to the present invention, when brazing a plurality of steel fittings such as joint members and mounting pieces to one steel pipe at once, copper plating is applied to the pipe in advance. After that, the attached parts are temporarily attached on the plated layer, and then the parts are carried into a furnace and heated to a predetermined temperature to perform furnace brazing. It is possible to omit the troublesome and time-consuming work of placing brazing filler metal for each attached part as in the method described above, and it is possible to significantly simplify the joining work, and in turn, it is possible to manufacture products by joining both parts. The manufacturing cost can be reduced.
実施例 次にこの発明の実施例を示す。Example Next, examples of this invention will be shown.
第１図に示すように、１つの鉄鋼パイプ（１）に対して
、該パイプ（１）に穿設された複数の孔部（１ａ）に一
致させて鉄鋼付設部品であるジヨイント部材（２）をそ
れぞれ側方突出状に接合しようとするものである。As shown in Fig. 1, a joint member (2), which is a steel attachment part, is attached to one steel pipe (1) in alignment with a plurality of holes (1a) drilled in the pipe (1). The aim is to join the two to form a lateral protrusion.
先ず、鉄鋼パイプ（１）の外周面に、電気メツキ法によ
り銅メッキを施して、厚さ約２０μｍの銅メッキ層（３
）を形成した。First, copper plating is applied to the outer peripheral surface of the steel pipe (1) by electroplating to form a copper plating layer (3
) was formed.
ここに、メッキ条件は次のとおりとした。Here, the plating conditions were as follows.
液組成 ：ＣｕＳＯ４３０〜３５ｇ／ｊ２とピロリン酸
ソーダ１２０〜１４
５ｇ：／Ｑとの混合水溶液
液温 ：５０〜６０℃
電流密度：１００Ａ／ゴ
時間 ：４５分
このようにして銅メッキの施された鉄鋼パイプ（１）の
接合部（１ｂ）に、前記メッキ層（３）を介して各ジヨ
イント部材（２）の基端部（２ａ）をスポット溶接する
ことによって仮接合した。Liquid composition: Mixed aqueous solution of CuSO430-35g/J2 and sodium pyrophosphate 120-145g:/Q Liquid temperature: 50-60°C Current density: 100A/G time: 45 minutes Copper plating was performed in this way. The proximal end portion (2a) of each joint member (2) was temporarily joined to the joint portion (1b) of the steel pipe (1) by spot welding via the plating layer (3).
その後、真空中にてろう付した。ここにろう付条件は、
真空度を１０−’Ｔｏｒｒとし、７００ ℃で２０分間
の予熱後、１２００℃で１０分間加熱してろう付を行い
、炉冷するものとした。After that, it was brazed in a vacuum. Here are the brazing conditions:
The degree of vacuum was set to 10-' Torr, and after preheating at 700° C. for 20 minutes, brazing was performed by heating at 1200° C. for 10 minutes, followed by cooling in a furnace.
この方法によって得られた接合物は、従来の方法による
場合と同様に良好なろう付が行なわれたものであること
が確認された。It was confirmed that the bonded product obtained by this method was well-brazed as in the case of the conventional method.
第１図はこの発明の実施態様を示すものであり、第１図
は鉄鋼パイプに鉄鋼付設部品を仮止めした状態を示す一
部縦断面図、第２図は従来の方法による実施態様を示す
第１図に対応する一部縦断面図である。
（１）・・・鉄鋼パイプ、（２）・・・鉄鋼付設部品（
ジヨイント部材）、（３）・・・銅メッキ層。
以上
代理人 弁理士清水久義゛、二・。
−２１，″′
第１図
第２図Fig. 1 shows an embodiment of the present invention, Fig. 1 is a partial vertical sectional view showing a state in which steel fittings are temporarily fixed to a steel pipe, and Fig. 2 shows an embodiment according to a conventional method. FIG. 2 is a partial vertical sectional view corresponding to FIG. 1; (1)...Steel pipe, (2)...Steel attachment parts (
Joint member), (3)...Copper plating layer. The above agents are patent attorney Hisayoshi Shimizu, 2. -21,″′ Figure 1 Figure 2
Claims (1)
方法において、 予め前記パイプの外周面に銅メッキを施し ておき、その後該メッキ層上に前記各付設部品を仮止め
状態に付設したのち、これを炉中に搬入して所定温度に
加熱することにより炉中ろう付を行なうことを特徴とす
る鉄鋼パイプに対する鉄鋼付設部品の一括ろう付方法。[Claims] In a method for collectively brazing a plurality of steel fittings such as joint members and mounting pieces to one steel pipe, copper plating is applied to the outer peripheral surface of the pipe in advance, and then A steel attachment part for a steel pipe, characterized in that each of the attachment parts is temporarily attached on the plated layer, and then carried into a furnace and heated to a predetermined temperature to perform in-furnace brazing. Bulk brazing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25114086A JPS63104780A (en) | 1986-10-21 | 1986-10-21 | Simultaneous brazing method for iron and steel additive parts to iron and steel pipes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25114086A JPS63104780A (en) | 1986-10-21 | 1986-10-21 | Simultaneous brazing method for iron and steel additive parts to iron and steel pipes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63104780A true JPS63104780A (en) | 1988-05-10 |
Family
ID=17218266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25114086A Pending JPS63104780A (en) | 1986-10-21 | 1986-10-21 | Simultaneous brazing method for iron and steel additive parts to iron and steel pipes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63104780A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04197578A (en) * | 1990-11-27 | 1992-07-17 | Aisin Seiki Co Ltd | Brazing method |
| JP2005509525A (en) * | 2001-11-22 | 2005-04-14 | レール・リキード−ソシエテ・アノニム・ア・ディレクトワール・エ・コンセイユ・ドゥ・スールベイランス・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | Brazed copper heat exchanger and method of manufacturing by welding |
| KR20200010987A (en) * | 2018-07-23 | 2020-01-31 | 저지앙 여우리푸 메트로로지 테크놀로지 컴퍼니., 리미티드. | Stainless steel water meter housing blank and processing method, stainless steel water meter housing and water meter |
-
1986
- 1986-10-21 JP JP25114086A patent/JPS63104780A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04197578A (en) * | 1990-11-27 | 1992-07-17 | Aisin Seiki Co Ltd | Brazing method |
| JP2005509525A (en) * | 2001-11-22 | 2005-04-14 | レール・リキード−ソシエテ・アノニム・ア・ディレクトワール・エ・コンセイユ・ドゥ・スールベイランス・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | Brazed copper heat exchanger and method of manufacturing by welding |
| JP4680502B2 (en) * | 2001-11-22 | 2011-05-11 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | Brazed copper heat exchanger and its manufacturing method by welding |
| KR20200010987A (en) * | 2018-07-23 | 2020-01-31 | 저지앙 여우리푸 메트로로지 테크놀로지 컴퍼니., 리미티드. | Stainless steel water meter housing blank and processing method, stainless steel water meter housing and water meter |
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