A463 FSS Type 439 - ASTM A463/A463M-2025

Grade	A463 FSS Type 439
Corresponding Standard	ASTM A463/A463M-2025 Standard Specification for Steel Sheet, Aluminum-Coated, by the Hot-Dip Process
Classification	Ferritic Stainless Steel

A463 FSS Type 439 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N	Al	More
Minimum Value	-	-	-	-	-	17	-	-	-	-	-	Ti+Nb: 0.20+4×(C+N) ~ 1.10
Maximum Value	0.03	1	1	0.04	0.03	19	0.5	0.5	0.6	0.03	0.15	Ti+Nb: 0.20+4×(C+N) ~ 1.10

* V、Nb、B: There is no specified limit, but the analysis result shall be reported.

A463 FSS Type 439 Mechanical Properties

Yield Point σ_s Mpa	Elongation or Extension Rate δ %
205~415	≥22

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