[MW:25398] RE: 25392] Re: Requirements Of PWHT for the Cross Country Pipe Lines - Reg

The point is that you qualified the procedure with PWHT and so you are saying by that 'I intend to post weld heat treat the welds'. The solution is straightforward: requalify the procedure without PWHT, and see if that passes the requirements of the client specifications and the applicable pipeline codes.

 

Alan Denney

AKD Materials Consulting Ltd

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of zhy370137@gmail.com
Sent: 14 September 2016 16:03
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:25392] Re: Requirements Of PWHT for the Cross Country Pipe Lines - Reg

 

在 2015年3月5日星期四 UTC+8下午6:36:41，Amul Raj写道：

Dear Experts,

 

We have done PQR with PWHT for the Material APL 5L Grade X60, and the coupon Size is 40 Inch & the Thickness is 38 mm with the Construction code application of API 1104 (Cross Country Pipe Line)

 

Based on the results we prepared WPS Also, But, As per API 1104 for 38.00 mm THK PWHT is not required 

 

Now The Aramco PID instructed to follow the WPS to do all the Joints PWHT

 

What is the remdy for this & hat should we do 

 

Kindly drop your advise 

 

 

Thanks & Warm Regards,

 

Amul Raj T

 

QA/QC Welding 

 

Samsung Engg, KSA  

 

 

 

 

 

 

 

 

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