A463 HSLAS Type A Grade 340 - ASTM A463/A463M-2025(b)

Grade	A463 HSLAS Type A Grade 340
Corresponding Standard	ASTM A463/A463M-2025(b) Standard Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process
Classification	Alloy Steel

A463 HSLAS Type A Grade 340 Chemical Element Composition Content (%)

Component	C	Mn	S	Cr ^①	Ni ^①	Cu ^①	Mo ^①	Ti	V ^②	Nb ^②③
Minimum Value	-	-	-	-	-	-	-	-	-	-
Maximum Value	0.2	1.2	0.035	0.15	0.2	0.2	0.06	0.3	0.008	0.008

* P: There is no specified limit, but the analysis result shall be reported.
① The sum of copper, nickel, chromium. and molybdenum shall not exceed 0.50 % on heat analysis. When one or more of these elements are specified, the sum does not apply; in which case, only the individual limits on the remaining elements shall apply.
② The limits do not apply when HSLAS is specified.
③ For steels having a carbon content of 0.02 % or less, the limit for niobium is 0.045 % max.

A463 HSLAS Type A Grade 340 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
① ≥410	≥340	L0=50mm ≥20

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