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  • Users: spazpower
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  1. spazpower

    Material for welder and wps qualification

    have a question I can use a material API 5L gr B to qualify welders and welding procedure, and then I would serve for materials used in production API 5L grade X70, as they have the same p No. but different tensile strength,
  2. spazpower

    steam pipe line

    I am working with the welding procedure qualification for a steam pipe line P91 to P22 materials, anyone can help with any procedure, experience or information on working with these types of materials. I would also like to know which one to select pipe diameter to qualify this procedure from 2...
  3. spazpower

    PQR for Steam Pipe Line

    Hi my people i am working in the PQR for weld material Grade P11 , P22 and P91 I thank you all information of experiance with this material.

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