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USA UNS S20200
AISI
American Iron and Steel Institute		 202
Corresponding Standard ASTM A240/A240M-2020
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet and Strip for Pressure Vessels and General Applications
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Weldability
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni N
Minimum Value - - 7.5 - - 17 4 -
Maximum Value 0.15 1 10 0.06 0.03 19 6 0.25
Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
≥620 ≥260 ≥40 ≤241
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS EN Numerical Grade GOST BS EN/BS
12Cr18Mn9Ni5N S35450 202 SUS 202 STS 202 202 S20200 X12CrMnNi 18-9-5 1.4373 12Х17Г9АН4 284S16
2 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS UNS ISO Numerical Grade Numerical Grade
S35450 SUS202 S20200 X12CrMnNiN18-9-5 4373-202-00-I 1.4373

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