T7A - GB 3525-1983

Grade	T7A
Corresponding Standard	GB 3525-1983 Cold-Rolled Spring and Steel Strips
Classification	Carbon Steel

T7A Mechanical Properties

thickness t mm	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)

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