STH 660 STH 660-WSA STH 660-WSB - KS D 3697-2002

Grade	STH 660
Other Names
Corresponding Standard	KS D 3697-2002 Stainless Steel Wires for Cold Heading and Cold Forging
Classification	Austenitic Stainless Steel

STH 660 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	V	B	Al
Minimum Value	-	-	-	-	-	13.5	24	1	1.9	0.1	0.001	-
Maximum Value	0.08	1	2	0.04	0.03	16	27	1.5	2.35	0.5	0.01	0.35

STH 660 Mechanical Properties

diameter or thickness d mm	Mark	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
0.8＜d≤2	STH 660-WSA	630~780	≥10	≥65
2＜d≤5.5	STH 660-WSA	580~730	≥15	≥65
0.8＜d≤2	STH 660-WSB	650~830	≥8	≥60
2＜d≤17	STH 660-WSB	600~780	≥10	≥60

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