Using ASME IX WPS for replace with AWS D1.1 structure job

mohd firdaus

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Sep 9, 2015, 9:34:27 AM9/9/15

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Dear all,

I have a situation here. We got steel structure job but my AWS D1.1 WPS not covered for this job. It is possible to replace the WPS WITH ASME IX WPS?. My boss told me to sent the STQ request for replace the AWS D1.1 to ASME IX. I don't have any idea for this. Please guide me. Thank you.

Mohd Firdaus Abd Rahim
QA/QC
+60122796361

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Alan Denney

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Sep 9, 2015, 10:24:31 AM9/9/15

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I have known this sort of concession request to be granted and also, in other cases to be rejected. It depends on many factors in the situation. The testing performed would be different, but that may not be seen as critical. All you can do is to make the case to your client and await their response.

Alan Denney
AKD Materials Consulting Ltd

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Devin

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Sep 10, 2015, 8:49:20 AM9/10/15

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Agree with the answer from denney. It's all depends on the designer's response to approve your request.

To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/001301d0eb0a%24c477a4c0%244d66ee40%24%40denney1.freeserve.co.uk.

Bala Murugan

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Sep 10, 2015, 9:43:02 AM9/10/15

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Hi Mohd,,

See it is fully depends upon client. If he can accepted the you can go ahead with ASME. Code doen't clears in this point of view.

Thanks,

Bala

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Sudhakar Kuppuswamy

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Sep 14, 2015, 1:53:38 AM9/14/15

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Hello Rahim,

It depends on your client!

Few reputed clients accept ASME Section 09 WPS in place of AWS D1.1.You can convinces your client by referring to API RP 582 - 2nd Edition, Clause 4.

Before approaching your client ,please ensure API RP 582 is applicable for the project.

4 General Welding Requirements

4.1 Structural (nonpressure boundary) welding requirements shall comply with either AWS D1.1 or AWS D1.6.

When approved by the purchaser (engineer) welding procedures may be qualified per ASME BPVC Section IX.”