G41500
AISI
American Iron and Steel Institute
4150
Corresponding Standard ASME SA-29/SA-29M-2023
General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Classification Alloy Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.48 0.15 0.75 - - 0.8 - - 0.15
Maximum Value 0.53 0.35 1 0.035 0.04 1.1 0.25 0.35 0.25
Approximate Comparison Table Structural Alloy Steel
China Japan United States International Organization for Standardization Germany European Standard United Kingdom
GB JIS ASTM ISO W-Nr. L-Nr. EN Numerical Grade BS EN/BS
50CrMo SCM445 4150 50CrMo4 50CrMo4 1.7228 50CrMo4 1.7228 708M40
708M50

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