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  • Metal

    Material type

  • Mild steel 1045 | 1.0503 | C45 | EN8

    Material name

  • C45

    Alternative names

  • CNC machining

    Process compatibility

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 coefficent
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
Crankshafts
Forged connection rods
Torsion bars
Tagged: metal mild steel
Mild steel 1045 | 1.0503 | C45 | EN8

Mild steel 1045 (CNC) is a medium carbon steel with good weldability and machinability, high strength and good impact resistance. Susceptible to corrosion.

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