Aisi 1040 [PDF]

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AISI 1040 Category



Steel



Class



Carbon steel



Type



Standard



Designations



Germany: DIN 1.1186 Japan: JIS S 4O C United Kingdom: B.S. 080 A 40 , B.S. 2 S 93 United States: ASTM A108 , ASTM A29 , ASTM A510 , ASTM A519 , ASTM A546 , ASTM A576 , ASTM A682 , MIL SPEC MIL-S-11310 (CS1040) , SAE J403 , SAE J412 , SAE J414 , UNS G10400



Composition Element



Weight %



C



0.37-0.44



Mn



0.60-0.90



P



0.04 (max)



S



0.05 (max)



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Mechanical Properties Conditions



Properties



T (°C)



Density (×1000 kg/m )



7.845



25



Poisson's Ratio



0.27-0.30



25



Elastic Modulus (GPa)



190-210



25



Tensile Strength (Mpa)



518.8



Yield Strength (Mpa)



353.4



Elongation (%)



30.2



Reduction in Area (%)



57.2



Hardness (HB) Impact Strength (J) (Izod)



3



Treatment



25



annealed at 790°C more



149



25



annealed at 790°C more



44.3



25



annealed at 790°C more



Thermal Properties Conditions



Properties Thermal Expansion (10 /ºC)



T (°C) 13.6



-6



20-1000 more



Treatment annealed



Electric Properties Conditions



Properties Electric Resistivity (10 Ω -m) -9



T (°C) 171



20 more



Treatment