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  5. Mild steel 1045 | 1.0503 | C45 | EN8
Material Name

Mild steel 1045 | 1.0503 | C45 | EN8

Material Type
Metal

Process Compatibility

CNC machining
Property Value
Mechanical Properties
Ultimate tensile strength 600 – 630 MPa
Yield strength 310 – 320 MPa
Young’s modulus (modulus of elasticity) 190 – 205 GPa
Elongation at break 16 %
Physical Properties
Corrosion resistance Poor
Magnetism Semi-magnetic
Weldability High
Thermal Properties
Thermal expansion coefficient 11.2 – 12 × 10-6/ºC
Thermal conductivity 51 W/(m⋅°C)
Electrical Properties
Electrical resistivity 16 – 19 μΩ*cm
Post Treatments
Post-Processing Annealing & Cold working
Anodizing compatibility Not suitable
Common Applications
Axles Bolts
Forged connection rods Crankshafts
Torsion bars

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