S43C - JIS G 4051-2023

Grade	S43C
Corresponding Standard	JIS G 4051-2023 Carbon Steels for Machine Structural Use
Classification	Carbon Steel

S43C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	More
Minimum Value	0.4	0.15	0.6	-	-	-	-	-	Ni+Cr≤0.35
Maximum Value	0.46	0.35	0.9	0.03	0.035	0.2	0.2	0.3	Ni+Cr≤0.35

① Alloy elements not given in thistable shall not be intentionally added for other purposes than finishing the heat.
② The limit may be 0.30% or under upon agreement between the purchaser and the manufacturer.
③ The upper limit of Ni+Cr may be 0.40% or under for S09CK,S15CK and S20CK and 0.45% or under for other grades, upon agreement between the purchaser and the manufacturer.

S43C Corresponding Standards(Same grade name, different standards)

1	JIS G 4051-2005
	S43C
2	JIS G 4051-2016
	S43C
3	Q/BQB 517-2018
	S43C
4	Q/BQB 615-2009
	S43C
5	Q/BQB 615-2018
	S43C
6	JIS G 4051-2023
	S43C

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!