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USA UNS S31050
ASTM
Specification or Grade		 310MoLN
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
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 24 20.5 1.6 0.09
Maximum Value 0.02 0.5 2 0.03 0.01 26 23.5 2.6 0.15
Mechanical Properties
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Thick Plate, Thin Plate, Strip; t≤6.35 ≥580 ≥270 ≥25 ≤217
Thick Plate, Thin Plate, Strip; t>6.35 ≥540 ≥255 ≥25 ≤217
Approximate Comparison Table Austenitic Stainless Steel
China United States International Organization for Standardization Germany France European Standard
GB ISC ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade
022Cr25Ni22Mo2N S31053 310MoLN S31050 X1CrNiMoN 25-22-2 X1CrNiMoN 25-22-2 1.4466 X1CrNiMoN 25-22-2 X1CrNiMoN 25-22-2 1.4466

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