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  1. Marsart

    PQR Qualification

    Dear all, I have a question about material ASTM(AISI)1018 low carbon steel, I do not have the code books so I can not verified the C1018. I am not sure what is the letter "C" ? could you someone explain to me what is the letter "c" and what is different c1018 and 1018 please CF 1018- Cold...
  2. Marsart

    compare material to use the SA51670N wiht CSA G40.21 50WT CAT4

    Hello people, I have a question to use material. we bought some of CSA G40.2 50WT CAT4 to use lifting lug on steel structure and we have scrap from the original plate bar. the question is I would like to ask the 50WT can use as like SA516 70N?
  3. Marsart

    Is it ok to use ASTM A53B instead of A106B?

    Hello every one, I have one question here. We have a skid package to build. During check the material with MTR. The question is I have a pipe MTR which show ASTM A53 only it not show and other SPEC like ASME. I need A106 GB pipe SPEC ASME or ASTM and we always use it for piping. Is it ok to use...
  4. Marsart

    1/4" SA36 plate can be rolled for shell of tank

    I have need a help,sir. we have a tank to build under ASME code, however the tank pressure is under 15psi. it will be have leak test at 10KPA/1.5psig. The question is the shell will be use SA36 rolled plate 1/4"THK. I read UCS79, but I am still not sure it is ok to use it.

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