Dear Prince,
It should be either 10.31mm or any thickness with 3 layer.
Regards
Biplab Pal
On Mon, Jul 27, 2015 at 11:13 PM, Prince C thomas <princecthomas@gmail.com> wrote:
Dear all,--In our district cooling CS ( ASTM A106 Gr,B) pipeline project, pipe wall thickness is from 3.2 mm to 20.62 mm. and our WPS is qualified and now we have to conduct welder qualification test.So what is the minimum test coupon thickness we should select so that welder can weld upto 20.62 mm thickness pipe during production.WPS Details:Welding process: GTAW & SMAWBase metal thickness range : 5 - 22 mmWeld metal groove for GTAW ; 6mm and SMAW - 16 mmPrince C Thomas
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Thanks & Regards
Biplab Pal
Welding Inspector
Biplab Pal
Welding Inspector
E-mail: biplab.mech@gmail.com
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