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AISI 1022
Category Steel
Class Carbon steel
Type Standard
Designations  Germany: DIN 1.1133
Italy: UNI G 22 Mn 3
Japan: JIS SMnC 21
United States: AMS 5070 , AMS 5070C , ASTM A29 , ASTM A510 , ASTM A519 , ASTM A544 , ASTM A545 , ASTM A548 , ASTM A576 , MIL SPEC MIL-S-11310 (CS1022) , SAE J403 , SAE J412 , SAE J414 , UNS G10220

Composition
ElementWeight %
C  0.18-0.23 
Mn  0.70-1.00 
P  0.04 (max) 
S  0.05 (max) 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.858 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 429.2  25  annealed at 870°C  more
Yield Strength (Mpa) 317.2 
Elongation (%) 35.0 
Reduction in Area (%) 63.6 
Hardness (HB) 137  25  annealed at 870°C more
Impact Strength (J)
(Izod)
120.7  25  annealed at 870°C  more

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 12.2  0-100 more  
Glossary