Sunday, November 11, 2012

[MW:15904] Backing strip/ring material acceptance.

Dear Experts,
 
Our contractor is going to use the backing strip(permanent) for pipe welding.
As per ASME B 31.3 the material will be acceptable if Sulpher content remains less than 0.05%.
Can anybody give a light on backing strip/ring material acceptance for piping. Please provide me the references.

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Thanks & Regards
Biplab Pal
Welding Inspector
E-mail:   biplab.mech@gmail.com
 
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