Tuesday, July 28, 2015

Re: [MW:23222] reg: Test coupon thickness range

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 & SMAW

Base metal thickness range : 5 - 22 mm

Weld metal groove for GTAW ; 6mm and SMAW - 16 mm



Prince C Thomas

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Thanks & Regards
Biplab Pal
Welding Inspector
E-mail:   biplab.mech@gmail.com
 
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