A449 Type 1 - ASTM A449-2014 - H2ABC

中文版

Grade	A449 Type 1
Corresponding Standard	ASTM A449-2014 Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 Ksi Minimum Tensile Strength, General Use
Classification	Carbon Steel

A449 Type 1 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S
碳钢	Minimum Value	0.3	0.15	0.6	-	-
碳钢	Maximum Value	0.52	0.3	-	0.04	0.05

	Component	C	Si	Mn	P	S	B
硼钢	Minimum Value	0.3	0.1	0.6	-	-	0.0005
硼钢	Maximum Value	0.52	0.3	-	0.04	0.05	0.003

	Component	C	Si	Mn	P	S
合金钢	Minimum Value	0.3	0.15	0.6	-	-
合金钢	Maximum Value	0.52	0.35	-	0.035	0.04

	Component	C	Si	Mn	P	S	B
硼合金钢	Minimum Value	0.3	0.15	0.6	-	-	0.0005
硼合金钢	Maximum Value	0.52	0.35	-	0.035	0.04	0.003

A449 Type 1 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

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