[MW:34253] RE: 34250] Re: Max allowable machining thickness for qualifying PQR

if you specify the design code, it will be easier to respond to your inquiry. However, according to ASME B31.3 you can Taper the wall thickness maximum to 30 degree.

 

 

 

 

 

 

From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of biennd
Sent: Wednesday, May 31, 2023 12:17 PM
To: Materials & Welding <materials-welding@googlegroups.com>
Subject: [MW:34250] Re: Max allowable machining thickness for qualifying PQR

 

Taping to matching thickness --> ok.

 

On Monday, May 29, 2023 at 9:34:36 AM UTC+7 JITHIN GOPINATH wrote:

Sir,

Can anyone advice me about the maximum allowable machining thickness for qualifying PQR.

For example I have a pipe with thickness 15.88 I want to reduce the thickness to 12.6 is that possible? If there any limitations for machining the thickness..

Please advise...

 

Regards

Jithin

 

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