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USA UNS S31651
AISI
American Iron and Steel Institute		 316N
Corresponding Standard ASTM A666/A666M-2024
Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar
Classification Austenitic Stainless Steel
Properties Corrosion Resistance Machinability Weldability
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo N
Minimum Value - - - - - 16 10 2 0.1
Maximum Value 0.08 0.75 2 0.045 0.03 18 14 3 0.16
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Annealing ≥550 ≥240 ≥35 ≤217
1/16 Hard ≥620 ≥310 ≥35
1/8 Hard ≥690 ≥380 ≥32
1/2 Hard ≥1035 ≥760 ≥6 (thickness＜0.38mm);
≥8 (thickness≥0.38mm)
1 Approximate Comparison Table Austenitic Stainless Steel
China Taiwan, China Japan South Korea United States Germany
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr.
06Cr17Ni12Mo2N
(0Cr17Ni12Mo2N) 		S31658 316N SUS 316N STS 316N 316N S31651 X2CrNiMoN17-11-2 1.4406
2 Approximate Comparison Table Austenitic Stainless Steel
China Japan United States International Organization for Standardization European Standard
GB ISC JIS UNS ISO Numerical Grade Numerical Grade
06Cr17Ni12Mo2N S31658 SUS316N S31651 X6CrNiMoN17-12-3 4495-316-51-J (1.4495)

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