Grade C15E4
ISO Numeric Designation 2
Corresponding Standard ISO 683-11-1987
Heat-treatable steels, alloy steels and free-cutting steels -- part 11: case-hardening steel
Classification Carbon Steel
Properties Carburizing Ability
C15E4 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.12 0.15 0.3 - -
Maximum Value 0.18 0.4 0.6 0.035 0.035
1 Approximate Comparison Table Precipitation Hardening Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
07Cr17Ni7Al
(0Cr17Ni7Al)
S51770 631 SUS 631 STS 631 631 S17700 X7CrNiAl 17-7
2
(ISO 683-13-1986)
X7CrNiAl 17-7 1.4568 Z8CNA 17-07 X7CrNiAl 17-7 1.4568 09Х17Н7Ю
2 Approximate Comparison Table Ferritic Heat-Resistant Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
06Cr13Al
(0Cr13Al)
S11348 405 SUS 405 STR 405 405 S40500 X6CrAl 13
2
ISO 683-13-1986
X6CrAl 13
(X7CrAl 13)
1.4002 Z6CA 13 X6CrAl 13 1.4002 1Х20Ю 2302 405S17
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 High-Quality Carbon Structural Steel
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 High-Quality Carbon Structural Steel
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
C15E4 Corresponding Standards(Same grade name, different standards)

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