Re: [MW:19918] Re: Copper Welding

use helium           + argon mixture for shielding

 

THANKS & BEST REGARDS

KG.PANDITHAN, AWS-CWI, CSWIP 3.1

CONSULTANT-WELDING & QUALITY

On Thu, Jan 23, 2014 at 12:05 PM, Karthik <karthik6684@yahoo.com> wrote:

Hi,

The attached file might be useful to you.

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

German-Thai Boiler Engineering Cooperation Limited.

Rayong Factory ;

379 Moo.6 Soi 8, Tambol Pananikom,

Nikompattana, Rayong 21180 THAILAND

Tel : +66 38 897 035-9 Ext. 137

Fax : +66 38 897 034

Hand Phone: 0066 892512282

On Wednesday, January 22, 2014 7:54 PM, Ganesh Mahankal <mahankalga@gmail.com> wrote:

Dear Sir ,

 

Preheating is very very important for copper welding.

also use dia 1.6 mm filler wire only for thickness less than 3 mm.

 

Best Regards,

Ganesh Mahankal

Alfa Laval India Ltd

+91 9970357971

 

 

On Friday, November 29, 2013 2:46:36 PM UTC+5:30, Avis wrote:

Dear All,

 

Anybody having experience is copper welding.  If yes please share your difficultites, and also welder availablity for the welding.

 

The base materials is ASTM B42 UNS C12200 (Cu - 99.9%)

P. No. is 31, SFA  - A5.7, F. No. 31.

Filler Wire Class - ER Cu Sn 1

With regards,

S. Sivasubramanian, Kuwait.

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