Grade SA1017 Grade 122
Corresponding Standard ASME SA-1017/SA-1017M-2023
Specification for pressure vessel plates, Alloy - steel, Chromium-Molybdenum-Tungsten
Classification Alloy Steel
SA1017 Grade 122 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu Mo N Ti W V Nb Zr B Al
熔炼 Minimum Value 0.07 - - - - 10 - 0.3 0.25 0.04 - 1.5 0.15 0.04 - - -
Maximum Value 0.14 0.5 0.7 0.02 0.01 11.5 0.5 1.7 0.6 0.1 0.01 2.5 0.3 0.1 0.01 0.005 0.02
  Component C Si Mn P S Cr Ni Cu Mo N Ti W V Nb Zr B Al
成品 Minimum Value 0.05 - - - - 9.9 - 0.2 0.2 0.03 - 1.4 0.13 0.03 - - -
Maximum Value 0.17 0.56 0.77 0.025 0.012 11.6 0.54 1.8 0.65 0.11 0.01 2.6 0.32 0.11 0.01 0.006 0.02
SA1017 Grade 122 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
≥620 ≥400 Gauge length L0=50
≥20

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