1018 steel structure has a carbon content of 0.18 percent. It is the most common of the cold-rolled steels. It combines the typical traits of steel, such as ease of machining, strength and some ductility for good weldability.
1018 steel structure Chemical composition：
C(％): 0.15～0.20
Mn(％): 0.60～0.90
P(％)≤: 0.040
S(％)≤: 0.050
1018 steel structure Mechanical Properties
Mechanical Properties Metric Imperial
Hardness, Brinell 126 126
Hardness, Knoop (Converted from Brinell hardness) 145 145
Hardness, Rockwell B (Converted from Brinell hardness) 71 71
Hardness, Vickers (Converted from Brinell hardness) 131 131
Tensile Strength, Ultimate 440 MPa 63800 psi
Tensile Strength, Yield 370 MPa 53700 psi
Elongation at Break (In 50 mm) 15.0 % 15.0 %
Reduction of Area 40.0 % 40.0 %
Modulus of Elasticity (Typical for steel) 205 GPa 29700 ksi
Bulk Modulus (Typical for steel) 140 GPa 20300 ksi
Poissons Ratio (Typical For Steel) 0.290 0.290
Machinability (Based on AISI 1212 steel. as 100% machinability) 70 % 70 %
Shear Modulus (Typical for steel) 80.0 GPa 11600 ksi
1018 steel structure Forging
This process requires heating between 1150°C – 1280°C and AISI 1018 mild/low carbon steel is held until the temperature becomes constant.
900°C is the minimum temperature required for the forging process.
The steel is then cooled in air after this process.
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