Component    Wt. % 


C 0.1 - 0.15 
Fe 99.16 - 99.6 
Mn 0.3 - 0.6 
P Max 0.04 
S Max 0.05 


Material Notes:
Widely used in low strength applications. Has good formability, fair machinability, and can be hardened by cyaniding.

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Physical Properties Metric English Comments


Density 7.87 g/cc 0.284 lb/in³ 

Mechanical Properties


Hardness, Brinell 105 105 
Hardness, Knoop 123 123  Converted from Brinell hardness.
Hardness, Rockwell B 60 60  Converted from Brinell hardness.
Hardness, Vickers 108 108  Converted from Brinell hardness.
Tensile Strength, Ultimate 370 MPa 53700 psi 
Tensile Strength, Yield 310 MPa 45000 psi 
Elongation at Break 19 % 19 %  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 55 % 55 %  Based on AISI 1212 steel. as 100% machinability. The machinability of Group I bar, rod, and wire products can be improved by cold drawing.
Shear Modulus 80 GPa 11600 ksi  Typical for steel

Electrical Properties


Electrical Resistivity 1.74e-005 ohm-cm 1.74e-005 ohm-cm  Typical steel

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