I would use E309 for this thickness, no preheating, maximum interpass temperature is 150 deg C
Regards,
Manpreet Singh
On Tue, 30 Oct 2012 14:17:45 +0530 wrote
>Dear Experts,
In our isometric drawing shows dissimilar welding carbon steel to
duplex stainless steel ( 31254 grade ) thk is 9.52 mm. Can anybody
give me guideline to make this WPS.
Regards
Pradip
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