Grade SA-387 Grade91 Type1
K90901
Corresponding Standard ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Brand/Supplier
-> BAOSTEEL
Classification Alloy Steel
SA-387 Grade91 Type1 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Mo N Ti V Zr Al Cb
熔炼分析 Minimum Value 0.08 0.2 0.3 - - 8 - 0.85 0.03 - 0.18 - - 0.06
Maximum Value 0.12 0.5 0.6 0.02 0.01 9.5 0.4 1.05 0.07 0.01 0.25 0.01 0.02 0.1
  Component C Si Mn P S Cr Ni Mo N V Zr Al Cb
成品分析 Minimum Value 0.06 0.18 0.25 - - 7.9 - 0.8 0.025 0.16 - - 0.05
Maximum Value 0.15 0.56 0.66 0.025 0.012 9.6 0.43 1.1 0.08 0.27 0.01 0.02 0.11
SA-387 Grade91 Type1 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
585~760 ≥415 ≥18

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!