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Home Material JIS G 4051-2016
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Grade S15C
Corresponding Standard JIS G 4051-2016
Carbon steels for machine structural use
Brand/Supplier
-> POSCO
Japan -> NSSC
-> BAOSTEEL
Classification Carbon Steel
S15C Chemical Element Composition Content (%)
  Component C Si Mn P S Cr Ni Cu More
本标准 Minimum Value 0.13 0.15 0.3 - - - - - Ni+Cr≤0.35
Maximum Value 0.18 0.35 0.6 0.03 0.035 0.2 0.2 0.3
  Component C Si Mn P S More
宝钢(热轧钢板) Minimum Value 0.13 0.15 0.3 - -  
Maximum Value 0.18 0.35 0.6 0.015 0.025
1 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
2 Approximate Comparison Table
Japan International Organization for Standardization European Standard
JIS ISO EN Numerical Grade
S15C C15E C15E 1.1141
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
China Japan South Korea United States International Organization for Standardization European Standard Russia
GB ISC JIS KS ASTM/AISI UNS ISO EN Numerical Grade GOST
15F U20150 S15C
SPH3* 		STKM12A 1015 G10150 C15E4 C15E 1.1141 15КЛ
5 Approximate Comparison Table
China Japan United States France Russia United Kingdom
GB JIS ASTM/AISI NF EN/NF GOST BS EN/BS
15 S15C
S15CK 		1015 C15
XC15 		15 040A15
050A15
060A15
6 Approximate Comparison Table
China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB JIS KS ASTM/AISI ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
15 S15C STKM12B 1015 C15E4 C15C 1.0234 C15C 15 C15C
S15C Corresponding Standards(Same grade name, different standards)
1 JIS G 4051-2005
S15C
2 JIS G 4051-2016
S15C
3 Q/BQB 517-2018
S15C
4 Q/BQB 615-2009
S15C
5 Q/BQB 615-2018
S15C

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