Monday, August 29, 2016

Re: [MW:25331] AWS D1.1 & ASME SEC.IX

Dear Mr Kumar.

The requirement on ASME IX not same as AWS D1.1. The variable are the most clearly different in there. For example, ASME IX mention for joint configuration park on NON ESSENTIAL VARIABLE but on AWS D1.1 is contrary.

It depends on your client!

Few reputed clients accept ASME IX 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."

Thanks,

Balamurugan



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