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Home Material SAE AMS6370R-2020
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Grade AMS6370
USA UNS G41300
SAE
Steel Number		 4130
Corresponding Standard SAE AMS6370R-2020
Steel, Bars, Forgings, and Rings 0.95Cr - 0.20Mo (0.28 - 0.33C) (SAE 4130)
Classification Alloy Steel
AMS6370 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.28 0.15 0.4 - - 0.8 - - 0.15
Maximum Value 0.33 0.35 0.6 0.025 0.025 1.1 0.25 0.35 0.25
1 Approximate Comparison Table Structural Alloy Steel
China Japan United States Germany France European Standard Russia Sweden
YB ISC JIS ASTM DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14
25CrMo A30252 SCM430 4130 25CrMo4 1.7218 25CD4 25CrMo4 1.7218 30ХМ 2225
2 Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States France European Standard
GB ISC CNS JIS KS ASTM NF EN/NF EN
30CrMo A30302 SCM430 SCM430 SCM430 4130 30CD4 34CrMo4
3 Approximate Comparison Table Cold Heading Steel
China United States Germany France Russia United Kingdom
GB ISC ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
ML30CrMo A30304 4130 G41300 ≈25CrMo4 1.7218 30CD4 30ХМА 9/0
4 Approximate Comparison Table Structural Alloy Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS SAE ISO DIN EN/DIN NF EN/NF EN Numerical Grade GOST SS BS EN/BS
30CrMo SCM420
SCM430 		4130 25CrMo4 25CrMo4 25CD4 25CrMo4 1.7218 20KHM
30KHM
30KHMA 		2225 708A25
708M25
CFS10

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