WPNIC11 N08811 - ASTM A403/A403M-2022

Grade	WPNIC11
USA UNS	N08811
Corresponding Standard	ASTM A403/A403M-2022 Wrought Austenitic Stainless Steel Piping Fittings
Classification	Austenitic Stainless Steel

WPNIC11 Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni	Cu	Ti	Al	More
Minimum Value	39.5	0.06	-	-	-	-	19	30	-	0.25	0.25	Al+Ti: 0.85~1.2
Maximum Value	-	0.1	1	1.5	0.04	0.015	23	35	0.75	0.6	0.6	Al+Ti: 0.85~1.2

WPNIC11 Mechanical Properties

condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
Pipe Fittings	≥450	≥170	Standard round specimen, or small specimen, or strip specimen L0=4D long: ≥28 tr: ≥20

1 Approximate Comparison Table Corrosion-Resistant Alloy

2 Approximate Comparison Table Austenitic Stainless Steel

United States	International Organization for Standardization		European Standard
UNS	ISO	Numerical Grade	Numerical Grade
N08811	X8NiCrAlTi33-21	4959-088-11-U	1.4959

3 Approximate Comparison Table Corrosion-Resistant Alloy

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