Grade 12Cr5Mo
China ISC S45110
Old Grade
Corresponding Standard GB /T 1221-2007
Heat-resistant Steel Bars
Classification Martensitic Stainless Steel
12Cr5Mo Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo
Minimum Value - - - - - 4 - 0.4
Maximum Value 0.15 0.5 0.6 0.04 0.03 6 0.6 0.6
12Cr5Mo Mechanical Properties
diameter
d
mm
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
d≤75 (quenching + tempering) ≥590 ≥390 ≥18 ≤200
Approximate Comparison Table Martensitic Heat-Resistant Steel
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
12Cr5Mo Corresponding Standards(Same grade name, different standards)

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