N08031 - ASTM A182/A182M-2025

USA UNS	N08031
ASTM Specification or Grade	F3127
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	Cu	Mo	N
Minimum Value	-	-	-	-	-	26	30	1	6	0.15
Maximum Value	0.015	0.3	2	0.02	0.01	28	32	1.4	7	0.25

Mechanical Properties

Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %
≥650	≥276	≥40

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