[MW:15283] RE: 15280] Welder Qualification Range for CS to alloy with same dia and thickness?

yes

 

John A. Henning

Welding & Materials

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Biplab Pal
Sent: Wednesday, September 12, 2012 7:42 AM
To: materials-welding
Subject: [MW:15280] Welder Qualification Range for CS to alloy with same dia and thickness?

 

Dear Experts,

 

1 welder is qualified with ASTM A 106 Gr. B with ER70S-6 (Root & 2nd Pass) & E7018(Fill & Cap) with a diameter range of 2 7/8 and above

If thickness and dia of pipe remain same, can he weld on ASTM A 335 Gr. P-9 with ER80s B8 & E 8018 B8.

Construction Code Sec-IX, 2010.

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Thanks & Regards
Biplab Pal
Mechanical Inspector (PMT)
E-mail:   biplab.mech@gmail.com
 
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