S40940 - ASTM A493-2016

USA UNS	S40940
AISI American Iron and Steel Institute	409Cb
Corresponding Standard	ASTM A493-2016 Standard Specification for Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging
Classification	Ferritic Stainless Steel
Properties	Corrosion Resistance Forgability

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	More
Minimum Value	-	-	-	-	-	10.5	-	Cb:10C~0.75
Maximum Value	0.06	1	1	0.045	0.04	11.7	0.5	Cb:10C~0.75

Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa
Wires, rebar; d≥2.5	Annealing	≤485
Wires, rebar; d≥2.5	Light Drawing	≤550

Approximate Comparison Table Ferritic Heat-Resistant Steel

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