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USA UNS S31260
Corresponding Standard ASTM A1082/A1082M-2016
High Strength Precipitation Hardening and Duplex Stainless Steel Bolting for Special Purpose Applications
Classification Duplex Stainless Steel
Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo N W
Minimum Value - - - - - 24 5.5 0.2 2.5 0.1 0.1
Maximum Value 0.03 0.75 1 0.03 0.03 26 7.5 0.8 3.5 0.3 0.5
Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
1020~1100℃，Quenched in water ≥690 ≥485 ≥20 HRC
≤31
1 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China United States
GB ISC UNS
022Cr25Ni7Mo3WCuN S22583 S31260
2 Approximate Comparison Table Austenitic-Ferritic Stainless Steel
China Japan United States International Organization for Standardization European Standard
ISC JIS UNS ISO Numerical Grade Numerical Grade
S22583 SUS329J4L S31260 X2CrNiMoN25-7-3 4481-312-60-J (1.4481)

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