C45U
Carbon steel
Hardened shell with a plastic core, good machinability, cold working steel.
Possible applications
For mounting plates and plastic mold bases, tube dies, and injection molds with low polishability requirements, hand tools, agricultural tools, and tooling of all types.
Präzi steel plates supply
In bar 1030 length with machining allowance, plates with rectangular and square sections, subjected to softening treatment max 280 207 HB.
(max. 700 N/mm²2)
Chemical Composition
| C | Mn | Yes |
| 0,45 | 0,7 | 0.3 in % |
Heat
Treatment
Stress-relief annealing: 600–650 °C
Machinability annealing: 680–710 °C
Machinability annealing: 680–710 °C
Quenching: 800 – 830 °C
Rapid cooling: Oil and water
Tempering: 160 – 300 °C
Honed plates for tools
Tolerances: Thickness +0.25 / -0 mm, Width +0.4 / -0 mm, Length +/- 20mm