Grade 20CrNi2MoH
China ISC A50215
Corresponding Standard GB /T 5216-2014
Structural Steels with Specified Hardenability Bands
Classification Alloy Steel
20CrNi2MoH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo O
Minimum Value 0.17 0.17 0.4 - - 0.35 1.55 - 0.2 -
Maximum Value 0.23 0.37 0.7 0.03 0.035 0.65 2 0.25 0.3 0.002
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
20CrNi2MoH A50215 SNCM420H SNCM420H SNCM420H 4320H H43200 18CrNiCrMo7H 20NiCrMoS6-4 1.6571 20NiCrMo6-4 20ХН2М (802H17)
20CrNi2MoH Corresponding Standards(Same grade name, different standards)

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