Grade SA-387 Grade5 Class1
S50200
Corresponding Standard ASME SA-387/SA-387M-2019
Specification for Pressure Vessel Plates, Alloy Steel, Chromium-Molybdenum
Brand/Supplier
-> BAOSTEEL
Classification Martensitic Stainless Steel
SA-387 Grade5 Class1 Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Mo
熔炼分析 Minimum Value - - 0.3 - - 4 0.45
Maximum Value 0.15 0.5 0.6 0.025 0.025 6 0.65
  Component C Si Mn P S Cr Mo
成品分析 Minimum Value - - 0.25 - - 3.9 0.4
Maximum Value 0.15 0.55 0.66 0.025 0.025 6.1 0.7
SA-387 Grade5 Class1 Mechanical Properties
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Reduction of Area
ψ
%
415~585 ≥205 ≥18 ≥45
Approximate Comparison Table
China Japan United States International Organization for Standardization Germany Russia
GB ISC JIS ASTM UNS ISO DIN EN/DIN W-Nr. GOST
12Cr5Mo
(1Cr5Mo)
S45110 STBA 25 502 S50200 TS 37 12CrMo 19-5 1.7362 15Х5М

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