A325 Type 3 A - ASTM A325M-2014

Grade	A325 Type 3 A
Corresponding Standard	ASTM A325M-2014 Structural bolts, steel, heat treated 830 Mpa minimum tensile strength
Classification	Alloy Steel

A325 Type 3 A Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu
Heat Analysis	Minimum Value	0.33	0.15	0.9	-	-	0.45	0.25	0.25
Heat Analysis	Maximum Value	0.4	0.35	1.2	0.035	0.04	0.65	0.45	0.45

	Component	C	Si	Mn	P	S	Cr	Ni	Cu
Product Analysis	Minimum Value	0.31	0.13	0.86	-	-	0.42	0.22	0.22
Product Analysis	Maximum Value	0.42	0.37	1.24	0.04	0.045	0.68	0.48	0.48

A325 Type 3 A Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
≥830	≥660	≥14	≥35	253~319

A325Type3A Corresponding Standards(Same grade name, different standards)

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