RE: [MW:15294] Welder Qualification Range for CS to alloy with same dia and thickness?

Dear Chawre ,

Pls 1^st read sec xi. Because for welder F number is essential variable and ER 70 S-6  and er 80sb8 / e7018 and e 80108b8 F number same as per section ix so he can weld.

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of ROHIT CHAWRE
Sent: 12 September 2012 23:30
To: materials-welding@googlegroups.com
Subject: RE: [MW:15288] Welder Qualification Range for CS to alloy with same dia and thickness?

 

dear sir,

 

as per my knowledge, welder is not permit to weld ER80SB8 & e8018B8, and is not qualified as per F.no. and is qualified as per material, welder can weld to lower and equal to material as he qualified and higher.

 

thanks n regards

 

rohit chawre

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Date: Wed, 12 Sep 2012 15:41:36 +0300
Subject: [MW:15280] Welder Qualification Range for CS to alloy with same dia and thickness?
From: biplab.mech@googlemail.com
To: materials-welding@googlegroups.com

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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