If it goes for pwht after welding ,better use ER 70S-A1(1/2Mo) or ER80S-G (1/2Mo)
Pandithan
On Sat, Feb 5, 2011 at 10:39 PM, Zakaria ghrab <zakaria.ghrab@gmail.com> wrote:
Hi all,
I have 2 questions :
1- For one Boiler construction project, we have to weld carbon steel
material (SA 106 Gr b), the client WPS precise that we will use ER80SG
Gtaw filler metal.
I just request when & why this filler metal is required for Carbon
steel, why we don't use ER70S3 or ER70S6.
Regards
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