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AISI 1070
Category Steel
Class Carbon steel
Type Standard
Designations  France: AFNOR XC 68
Germany: DIN 1.1231
Sweden: SS 1770 , SS 1778
United States: AMS 5115 , AMS 5115C , ASTM A29 , ASTM A510 , ASTM A576 , ASTM A682 , MIL SPEC MIL-S-11713 (2) , SAE J403 , SAE J412 , SAE J414 , UNS G10700

Composition
ElementWeight %
C  0.65-0.75 
Mn  0.60-0.90 
P  0.04 (max) 
S  0.05 (max) 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 640  25  cold drawn, spheroidized annealed  more
Yield Strength (Mpa) 495 
Elongation (%) 10 
Reduction in Area (%) 45 
Hardness (HB) 192  25  cold drawn, spheroidized annealed more

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 11.8  0-100 more rolled 
Glossary