eFunda: Properties of Carbon Steel AISI 1080
engineering fundamentals Carbon Steel AISI 1080
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AISI 1080
Category Steel
Class Carbon steel
Type Standard
Designations  United States: AMS 5110 , AMS 5110B , ASTM A29 , ASTM A510 , ASTM A576 , ASTM A682 , FED QQ-S-700 (1080) , MIL SPEC MIL-S-16974 , SAE J403 , SAE J412 , SAE J414 , UNS G10800

Composition

ElementWeight %
C  0.75-0.88 
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) 615.4  25  annealed at 790°C  more
Yield Strength (Mpa) 375.8 
Elongation (%) 24.7 
Reduction in Area (%) 45.0 
Hardness (HB) 174  25  annealed at 790°C more
Impact Strength (J)
(Izod)
6.1  25  annealed at 790°C  more

Thermal Properties

Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 14.7  20-700 more annealed 
Thermal Conductivity (W/m-K) 48.1  100 more  
Specific Heat (J/kg-K) 490  50-100 more  

Electric Properties

Properties Conditions 
T (°C)Treatment
Electric Resistivity (10-9W-m) 180  20 more  
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