Grade A322 4118
USA UNS G41180
Corresponding Standard ASTM A322-2013(R2018)
Steel Bars, Alloy, Standard Grades
Classification Alloy Steel
A322 4118 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.18 0.15 0.7 - - 0.4 - - 0.08
Maximum Value 0.23 0.35 0.9 0.035 0.04 0.6 0.25 0.35 0.15
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
20CrMo
20CrMoH
A30202 SCM420 SCM420
SCM418
SCM418H
SCM420 4118
4120
G41180 18CrMo4 20CrMo5 1.7264 18CD4 18CrMo4 1.7243 20ХМ CDS12

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