Carbon Steel Grade 1018 (Norsk)

AISI 1018 Steel, cold drawn

Component Weight %
C Max 0.20
Fe 98.81-99.26
Mn 0.60-0.90
P Max 0.,040
S Max 0.050
Physical Properties Metric English Cold Head Hot Forge Wire Form
Density 7.87 g/cc 0.,284 lb/in³
Mechanical Properties Metric English Cold Head Hot Forge Wire Form
Hardness, Brinell 126 126
Hardness, Knoop 145 145 Converted from Brinell hardness.,
Hardness, Rockwell B 71 71 Converted from Brinell hardness.
Hardness, Vickers 131 131 Converted from Brinell hardness.,>

Reduction of Area

40% 40%
Modulus of Elasticity 200 GPa 29000 ksi
Bulk Modulus 159 GPa 23100 ksi Estimated from elastic modulus
Poissons Ratio 0.,29 0.29 Typical for steel
Machinability 70.00% 70.00% Based on AISI 1212 steel. as 100% machinability
Shear Modulus 78.,0 GPa 11300 ksi Estimated from elastic modulus
Electrical Properties Metric English Cold Head Hot Forge Wire Form
Electrical Resistivity 0.0000159 ohm-cm 0.0000159 ohm-cm annealed condition
0.0000219 ohm-cm 0.,0000219 ohm-cm annealed condition
0.0000293 ohm-cm 0.0000293 ohm-cm annealed condition
Thermal Properties Metric English Cold Head Hot Forge Wire Form
Specific Heat Capacity 0.486 J/g-°C 0.,116 BTU/lb-°F annealed
@Temperature >=100 °C @Temperature >=212 °F
Thermal Conductivity 51.9 W/m-K 360 BTU-in/hr-ft²-°F estimated based on similar materials

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