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Grade 1370
Corresponding Standard SS 14 1370
Steel for Case Hardening
Classification Carbon Steel
1370 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.12 0.1 0.5 - -
Maximum Value 0.18 0.4 0.9 0.035 0.035
1 Approximate Comparison Table Carbon Structural Steel and Engineering Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
Q215A
Q215B
(A2)
(C2) 		U12152
U12155 		SS330 SS330
(SS34) 		SS330 A283M Gr.C
A283M Gr.58 		HR1 USt34-2
RSt34-2 		1.0028
1.0034 		A34
A34-2NE 		Ст2кп-2/-3
Ст2пс-2/-3
Ст2сп-2/-3 		1370 040A12
2 Approximate Comparison Table High-Quality Carbon Structural Steel
China Taiwan, China Japan South Korea United States Germany France Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST SS BS EN/BS
15 U20152 S15C S15C SM15C 1015 G10150 C15
Ck15 		1.0401
1.1141 		C12
XC15 		15 1350
1370 		040A15
080M15
3 Approximate Comparison Table High-Quality Carbon Structural Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
15 S15C Gr.1015
Gr.1016 		C15E4 C15
Ck15 		1.1141 C18RR
XC12
XC15 		C15E 1.1141 15 1370 040A15
080M15
CS17
4 Approximate Comparison Table Non-Alloy Surface Hardening Steel
International Organization for Standardization Germany France European Standard Sweden
ISO DIN EN/DIN NF EN/NF EN Numerical Grade SS
C15M2 Ck15
Cm15 		XC12 C15R 1.1140 1370
1370 Corresponding Standards(Same grade name, different standards)
1 GB /T 3190-2008
1370
2 SS 14 1370
1370
3 GB /T 3190-2020
1370

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