Weld Copper to Stainless Steel 304

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Sohil Mehta

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Jul 30, 2022, 10:00:55 AM7/30/22
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Dear Sir, 

Kindly suggest consumables for welding of Copper to Stainles Steel. 

Thank you.

Regards,
Sohil Mehta

Mohd Siraj

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Aug 11, 2022, 9:31:22 PM8/11/22
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pl share exact specification of material to be weld with thickeness.

for any question to be answered quickly , you could provided suffiecent details so that other can understand your requirement like code interpretation querry.

J Prinsen

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Aug 25, 2022, 8:25:54 AM8/25/22
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You can try with inconel 625 or Nickel 200, or buttering the stainless steel with either 625 or 200 and then weld with the same consumable  to the copper
I' ve seen welding with a copper consumable in the past, but there is a high risk of hot cracks


Regards

Jurgen Prinsen IWE
Van: "Mohd Siraj" <mohd...@gmail.com>
Aan: "materials-welding" <material...@googlegroups.com>
Verzonden: Donderdag 11 augustus 2022 17:09:48
Onderwerp: [MW:33377] Re: Weld Copper to Stainless Steel 304

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Prakash Hegde

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Aug 25, 2022, 11:45:13 PM8/25/22
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My opinion with experience Copper to SS welding is not compatible
You can braze or vaccine braze with BAg8 or similar  filler

George Dilintas

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Aug 25, 2022, 11:45:16 PM8/25/22
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Copper and Steel never formed solid solution. Try with Nickel buttering on both parts and then join with nickel 

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pgos...@rogers.com

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Aug 26, 2022, 12:05:02 AM8/26/22
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Arc Welding is difficult, Brazing is possible. If fact a of copper to stainless joints are Arc Brazed with Silver Brazing filler . BAg 8 as cited by Mr Hegde  is a popular filler metal for such brazing. The most common option for joining  simpler shapes is Friction Welding , example as shown below.

Thanks.

 

Pradip Goswami.P.Eng, IWE.

Independent Welding & Metallurgical Engineering Specialist

Cell/Whasapp:1-905-9793232

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Kannayeram Gnanapandithan

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Aug 26, 2022, 1:52:35 AM8/26/22
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butter copper with Monal or Cupronickel, and the weld with Stainless steel

THANKS & BEST REGARDS,
KG.PANDITHAN, BE, IWE,  CSWIP 3.1,
ISO 9712 Level 2 in VT,
ASNT-Level II in PT,MT,RT & UT,
LA ISO 9001-2015,
International Welding Engineer. 
CONSULTANT-WELDING & QUALITY
Mobile no: +919940739349


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