Temperature and Allowable Stresses for Pipes

Allowable stresses in pipe walls for pipes ASTM specification A-53, A-106 and more

Seamless Carbon Steel Pipes

Operating temperature and allowable stresses in pipe walls for seamless carbon steel pipes

  • A-53 Grade A and B
  • A-106 Grade A, B and C
  • A-120

are indicated in the diagram below:

temperature and allowable stresses for carbon steel pipes

  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2)
  • T(oC) = 5/9[T(oF) - 32]

Seamless Ferritic Alloys Steel Pipes

Operating temperature and allowable stresses in pipe walls for seamless ferritic alloys steel pipes

  • A-335 Grade P1, P2, P5, P7, P9, P11, P21, P12, and P22
  • A-369 Grade FP1, FP2, FP3,  FP5, FP7, FP9, FP11, FP12, FP21 and FP22

are indicated in the diagram below:

temperature and allowable stresses for ferritic alloys steel pipes

Seamless Austenitic Alloys Steel Pipes

Operating temperature and allowable stresses in pipe walls for seamless austenitic alloys steel pipes  A-312 and A-369

  • grade TP304H, TP321H, TP347H, TP348H and TP316H

are indicated in the diagram below:

temperature and allowable stresses for austenitic alloys steel pipes

Related Topics

  • Pressure Ratings - Pressure ratings of pipes and tubes and their fittings - carbon steel , stainless steel, plastic, copper and more

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