Re: [MW:9475] Use of A 234 WPB in the place of A420 Gr.WPL6

Wpl6 fitting need to pass impact test as per code requirements at-56degrreC also it should be fine grained steel. NDM
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-----Original Message-----
From: thiru sam <thiruvenkatam_be@yahoo.co.in>
Sender: materials-welding@googlegroups.com
Date: Tue, 25 Jan 2011 05:46:36
To: Materials & Welding<materials-welding@googlegroups.com>
Reply-To: materials-welding@googlegroups.com
Subject: [MW:9459] Use of A 234 WPB in the place of A420 Gr.WPL6

Dear All,

Can somebody advice me about the use of A234 WPB fittings in the
place of A420 Gr.WPL6 for the LPG line.

I hope,A234 WPB is for medium and elevated temperatures,whereas A420
is for lower operating temperatures. and moreover A420 is having
impact test properties.

So i hope we cant use the A234 WPB in place of A420,even though
tensile properties are same.

In my project,Design Temperature of LPG line is -45 deg to +85 deg.

Is my statement is correct?

Regards,

Thiru.

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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.