Component    Wt. % 


C 0.17 - 0.23 
Fe 98.68 - 99.13 
Mn 0.7 - 1 
P Max 0.04 
S Max 0.05 


Material Notes:
Has fair machinability, fair to good weldability, and excellent formability. Cold drawing markedly increases the tensile strength of 1022 steel.


Physical Properties Metric English Comments


Density 7.868 g/cc 0.284 lb/in³ 

Mechanical Properties


Hardness, Brinell 137 137 
Hardness, Knoop 156 156  Converted from Brinell hardness.
Hardness, Rockwell B 75 75  Converted from Brinell hardness.
Hardness, Vickers 143 143  Converted from Brinell hardness.
Tensile Strength, Ultimate 475 MPa 68900 psi 
Tensile Strength, Yield 400 MPa 58000 psi 
Elongation at Break 15 % 15 %  In 50 mm
Reduction of Area 40 % 40 % 
Modulus of Elasticity 205 GPa 29700 ksi  Typical for steel
Bulk Modulus 140 GPa 20300 ksi  Typical for steel
Poisson's Ratio 0.29 0.29  Typical For Steel
Machinability 70 % 70 %  Based on AISI 1212 steel. as 100% machinability
Shear Modulus 80 GPa 11600 ksi  Typical for steel

Electrical Properties


Electrical Resistivity 1.59e-005 ohm-cm 1.59e-005 ohm-cm  annealed specimen; 0°C (32°F)
Electrical Resistivity at Elevated Temperature 2.19e-005 ohm-cm 2.19e-005 ohm-cm  annealed specimen; 100°C (212°F)
Electrical Resistivity at Elevated Temperature 2.93e-005 ohm-cm 2.93e-005 ohm-cm  annealed specimen; 200°C (390°F)

Thermal Properties


Specific Heat Capacity 0.472 J/g-°C 0.113 BTU/lb-°F  Typical steel
Thermal Conductivity 49.8 W/m-K 346 BTU-in/hr-ft²-°F  Typical steel