Grade 40CrNi2MoH
China ISC A50405
Corresponding Standard GB /T 5216-2014
Structural Steels with Specified Hardenability Bands
Classification Alloy Steel
40CrNi2MoH Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo O
Minimum Value 0.37 0.17 0.55 - - 0.65 1.55 - 0.2 -
Maximum Value 0.44 0.37 0.9 0.03 0.035 0.95 2 0.25 0.3 0.002
Approximate Comparison Table Hardenability Guaranteed Structural Steel
China United States
GB ASTM/AISI
40CrNi2MoH 4340H

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