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USA UNS N08810
Other Names
Corresponding Standard ASTM B 408-2022
Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar
Classification Alloy Steel
Chemical Element Composition Content (%)
Component Fe ① 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
① Iron shall be determined arithmetically by difference.
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Specified Plastic Yield Strength
Rp0.2
Mpa 		Elongation or Extension Rate
δ
%
Cold-worked and hot-worked, annealed ≥450 ≥170 ≥30
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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