A449 Type 3-F - ASTM A449-2014

Grade	A449 Type 3-F
Corresponding Standard	ASTM A449-2014 Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 Ksi Minimum Tensile Strength, General Use
Classification	Alloy Steel

A449 Type 3-F Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.2	0.15	0.9	-	-	0.45	0.2	0.2
Maximum Value	0.25	0.35	1.2	0.035	0.04	0.65	0.4	0.4

A449 Type 3-F Mechanical Properties

	Tensile Strength σ_b ksi	Yield Point σ_s ksi	Elongation or Extension Rate δ %	Reduction of Area ψ %
1/4 ~ 1	≥120	≥92	≥14	≥35
1 ~ 1-1/2	≥105	≥81	≥14	≥35
1-1/2 ~ 3	≥90	≥58	≥14	≥35

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