T7A - YB /T 5058-2005

Grade	T7A
Corresponding Standard	YB /T 5058-2005 Cold-Rolled Spring and Tool Steel Strips
Classification	Carbon Steel

T7A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.65	-	-	-	-	-	-	-
Maximum Value	0.74	0.35	0.4	0.03	0.02	0.25	0.2	0.3

T7A Mechanical Properties

	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
t ≤ 1.5, annealed steel strip	≤635	≥20
t > 1.5, annealed steel strip	≤735	≥15
Cold-Hard Steel Strip	735~1175

T7A 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"!