S31009 - ASTM A182/A182M-2025

USA UNS	S31009
ASTM Specification or Grade	F 310H
Corresponding Standard	ASTM A182/A182M-2025 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni
Minimum Value	0.04	-	-	-	-	24	19
Maximum Value	0.1	1	2	0.045	0.03	26	22

Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
≥515	≥205	≥30	≥50

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