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Grade WPNIC10
USA UNS N08810
AISI
American Iron and Steel Institute		 800H
Corresponding Standard ASTM A403/A403M-2022
Wrought Austenitic Stainless Steel Piping Fittings
Classification Austenitic Stainless Steel
WPNIC10 Chemical Element Composition Content (%)
Component Fe C Si Mn P S Cr Ni Cu Ti Al
Minimum Value 39.5 0.05 - - - - 19 30 - 0.15 0.15
Maximum Value - 0.1 1 1.5 0.045 0.015 23 35 0.75 0.6 0.6
WPNIC10 Mechanical Properties
condition Tensile Strength
σb
Mpa 		Yield Point
σs
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
China United States Germany United Kingdom
GB ISC Commercial Grade UNS DIN EN/DIN W-Nr. BS EN/BS
NS 1102
(NS 112)
(1Cr20Ni32AlTi) 		H 08810
H 01102 		Incoloy 800H N 08810 X10NiCrAlTi 32-20 1.4876 NA 15
2 Approximate Comparison Table Austenitic Stainless Steel
Japan United States International Organization for Standardization European Standard
JIS UNS ISO Numerical Grade Numerical Grade
NCF800H N08810 X7NiCrAlTi33-21 4959-088-10-U 1.4959
3 Approximate Comparison Table Corrosion-Resistant Alloy
China United States Germany United Kingdom
GB Commercial Grade UNS DIN EN/DIN W-Nr. BS EN/BS
NS112 Incoloy 800H N08810 X5NiCrAlTi31-20 1.4958 NA15(H)

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