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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
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
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
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
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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