Grade 42CrMoH
China ISC A30425
Corresponding Standard GB /T 5216-2014
Structural Steels Specified Hardenability Bands
Classification Alloy Steel
Properties Strength Hardness
42CrMoH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo O
Minimum Value 0.37 0.17 0.55 - - 0.85 - - 0.15 -
Maximum Value 0.44 0.37 0.9 0.03 0.035 1.25 0.3 0.25 0.25 0.002
Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
42CrMoH A30425 SCM440H SCM440H SCM440H 4140H H41400 42CrMo4H 42CrMo4 1.7225 42CrMo4
(40CD4)
≈38ХМ 2244 42CrMo4
42CrMoH Corresponding Standards(Same grade name, different standards)

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