Re: [MW:12741] Welding Process Restriction

Hi,

As per Sec.IX,Diameter is not an essential variable. A WPS used for qualification with either  pipe or plate can be qualified to be used for both

 

Thanks & Regards,

(Karthik)

Karthikeyan.S

QA/QC Manager

Getabec Energy Co.,Ltd.

379,Moo6,Soi8,Nikhomphatana,

Rayong-21180,

Thailand.

Phone: 0066 38 897035-8 (Off)

Fax: 0066 38 897034

Hand Phone: 0066 892512282

From: kalyan vvv <vvvkalli@gmail.com>
To: materials-welding@googlegroups.com
Sent: Friday, October 21, 2011 3:12 PM
Subject: Re: [MW:12740] Welding Process Restriction

There is no diameter limitations in asme sec 9 

On Tue, Jul 26, 2011 at 6:13 AM, Candice Law <candice.law@penergy.com.my> wrote:

 

Expert,

I have a 2 WPS qualified range as below:

1)     WPS A – Qualified Thickness Range from 1.6mm – 11.08mm ; diameter range is all diameter. (Gtaw process)

2)     WPS B – Qualified Thickness Range from 4.8mm – 22.0mm ; diameter range is all diameter. (Gtaw + Smaw process)

Both are qualified under ASME IX and for material with P No.1

 

Now, I need to weld a A106 GrB pipe 4" Sch40, can I use WPS A? Full Gtaw for 4" pipe? Any restriction for welding process pertaining diameter as in ASME IX?

 

Please Advice.

 

Thanks

 

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THANKS & REGARDS

 

KALYAN VVV

WELDING ENGINEER

HYDERABAD

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