[MW:4358] ASME B31.3 IMPACT TEST

It depends on MDMT, please provide design conditions.

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From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of mauricio padilla
Sent: Sunday, February 21, 2010 11:28 PM
To: materials-welding@googlegroups.com
Subject: [MW:4357] ASME B31.3 IMPACT TEST

 

 

Dear Sirs

 

Please I need information about ASME B31.3.

 

 

In piping normally are used the following materials:

1) pipes A106 Gr B /API 5L Gr B

2) fittings ( tee elbow, reducers) A234 WPB

 

My questions are:

 

1) I want to know about is it necessary a Impact testing if the wall thickness of:

 

  pipe API 5L X60 with 10 NPS and wall thickness of

12.7mm(0.5 pulg)?

38.1mm (1.5 pulg)?

2) If I have fittings  A234 WPB of NPS 10" with wall thickness of

         12.7mm(0.5 pulg)?

38.1mm (1.5 pulg)?

Please answer me.

 

Best regards

 

Mauricio