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Why doesn't API 17D contain dimensional requirements for Swivel Flanges and Hubs up to and exceeding 15000 psi? Especially since Choke & Kill lines in marine drilling riser systems tend to have a pressure rating of 15000psi. API 16A does have Hub dimensions for 15000psi, but this is typically...

Hi All I am completing pipe design calculations using AISI4130 (75ksi yield) in an operating temperature range of -4F to 250F. I am trying to account for the shift in Young's modulus and yield strength at the elevated temperatures but need some advice. ASME II Part D table Y-1 gives the...