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A135-A ELECTRIC RESISTANCE WELDED

A135-A ELECTRIC RESISTANCE WELDED

A135-A ELECTRIC RESISTANCE WELDED

(OP)
HI,

I haven't seen that many many companies use A135-A pipe for pressure piping applications. However after going through all calculations as per B31.3, using that specific pipe falls under code. (maximum design pressure 350 PSI), is there anything so obvious that I am missing?

RE: A135-A ELECTRIC RESISTANCE WELDED

What are you asking?? B31.3 2014 Edition lists A 135 Gr A pipe allowable stress values.

RE: A135-A ELECTRIC RESISTANCE WELDED

(OP)
Yes, you are right, I was just wondering why it is not very common to see it in low to medium pressure application systems.

I see that in the past you answered a question about SA105N material, do you happen to know if the standard this material is fabricated under is listed in Section II of ASME BPV code?

RE: A135-A ELECTRIC RESISTANCE WELDED

(OP)
Thank you metengr, that's the thread I was talking about, however I don't see anywhere if the standard for a105N is listed in Section II of ASME code. This is what B16.9 says for MATERIAL..."Wrought fittings covered by this Standard shall be in accordance with ASTM A234, A403, A420,A815 B361, B363, B366 or the corresponding standard listed in Section II of the ASEME Boiler and Pressure Vessel Code."

RE: A135-A ELECTRIC RESISTANCE WELDED

The point is the suffix N in SA 105N implies normalized heat treatment. The chemical composition is the same and so are the allowable stress values, as compared with SA 105.

RE: A135-A ELECTRIC RESISTANCE WELDED

(OP)
I am sorry if I am not understanding this correctly, all I want to know is if the standard for A105N is listed in Section II of the ASME BPV code.

RE: A135-A ELECTRIC RESISTANCE WELDED

No, SA 105N is not listed as a material grade.

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