SM - GB /T 4357-2022

Performance Level	SM
Corresponding Standard	GB /T 4357-2022 Cold-Drawn Unalloyed Steel Wire for Springs
Classification	Carbon Steel
Properties	High Elasticity

SM Chemical Element Composition Content (%)

Component	C ^①	Si	Mn ^②	P	S	Cu
Minimum Value	0.35	0.1	0.3	-	-	-
Maximum Value	1	0.37	1.2	0.03	0.03	0.2

SM Corresponding Standards(Same grade name, different standards)

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