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  • Users: rumandcola
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  1. rumandcola

    Proof Test Factor of Safety

    Under ASME section VIII division 1 the calculations use factor of safety that is based on the minimum of tensile strength/3.5 or yield strength * 2/3. When performing a proof test according to UG-101 the burst pressure is divided by 4. My question is why the difference in safety factors? Is this...
  2. rumandcola

    316ti ASTM spec

    Is there an ASTM specification for 316ti pipe or tubing? I have found this grade as plate material (SA-240 316ti) in ASME II-D. I can't seem to find this grade for any of the other product forms.
  3. rumandcola

    Tantalum tubing under B31.3

    I am preparing a set of pipe calculations in accordance with B31.3 for a client. They have specified Tantalum UNS R05200 as one of the material specs at 300 C. I am not familiar with tantalum; searching online I found the specification ASTM B 521. I would like to adopt this according to...

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