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USA UNS N08800
ASTM
Specification or Grade		 800
Corresponding Standard ASTM A276/A276M-2025
Standard Specification for Stainless Steel Bars and Shapes
Classification Austenitic Stainless Steel
Chemical Element Composition Content (%)
Component Fe ① C Si Mn P S Cr Ni Cu Ti Al
Minimum Value 39.5 - - - - - 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 of 100 minus the sum of specified elements.
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Annealed (A) - hot-finished or cold-finished ≥515 ≥205 ≥30 ≤192
1 Approximate Comparison Table Corrosion-Resistant Alloy
China Japan South Korea United States Germany United Kingdom
GB ISC JIS KS Commercial Grade UNS DIN EN/DIN W-Nr. BS EN/BS
NS 1101
(NS 111)
(0Cr20Ni32AlTi) 		H 08800
H 01101 		NCF 800
(NCF 2B) 		NCF 800 Incoloy 800 N 08800 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 EN Numerical Grade
NCF800 N08800 X8NiCrAlTi32-21 4876-088-00-I X8NiCrAlTi32-21 1.4959
1.4876
3 Approximate Comparison Table Austenitic Heat-Resistant Steel
United States International Organization for Standardization European Standard
ASTM UNS ISO EN Numerical Grade
800 N08800 X8NiCrAlTi32-21 X10NiCrAlTi32-21 1.4876

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