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  • Users: Welder4956
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  1. Welder4956

    Steel Products from China

    I'm getting kind of leery of the quality of steel pipe and tube from mills in China. Is anyone seeing problems with conformance to ASTM specs, such as heat treatment, properties, trace elements and defects?
  2. Welder4956

    309S and 310S

    Does anyone know what the "S" in 309S and 310S stainless steels designates? I know for the 300 series materials that the "L" designates low carbon and the "H" designates a grade that has a minimum and maximum carbon limit for hight temperature creep resistance. The standard grades (i.e. 304...
  3. Welder4956

    Section I or VIII?

    What is the difference between a Safety Relief Valve manufactured to ASME I vs. ASME VIII as far as deign and function? This would be for steam service at pressure below 250 psi.
  4. Welder4956

    ASME I vs. VIII Safety Reliefs

    What is the difference between a Safety Relief Valve manufactured to ASME I vs. ASME VIII as far as deign and function? This would be for steam service at pressure below 250 psi.

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