USA UNS S20100
AISI
American Iron and Steel Institute
201
Corresponding Standard ASTM A240/240M-2018
Standard Specification for 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 - - 5.5 - - 16 3.5 -
Maximum Value 0.15 1 7.5 0.06 0.03 18 5.5 0.25
Mechanical Properties
condition Mark
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Thick plates, thin plates, strip products 201-1 • ≥515 ≥260 ≥40 ≤217
Thick plates, thin plates, strip products 201-2 • ≥655 ≥310 ≥40 ≤241
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization European Standard
GB ISC CNS JIS KS ASTM UNS ISO EN Numerical Grade
12Cr17Mn6Ni5N
(1Cr17Mn6Ni5N)
S35350 201 SUS 201 STS 201 201 S20100 X12CrMnNi 17-7-5
X9CrMnNiCu17-8-5-2
X12CrMnNi 17-7-5
X9CrMnNiCu17-8-5-2
1.4372
1.4618
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
S35350 SUS201 S20100 X12CrMnNiN17-7-5 4372-201-00-I 1.4372

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