C45U
Carbon steel
Shell with a hard surface and plastic core, good machinability, cold-work steel.
Possible applications
For assembly plates and plastic mold bars, pipe systems and injection molds with low polishability requirements, hand and agricultural tools, and tools of all kinds.
Supply of Präzi steel plates
In bars of length 1030 with machining allowance, plates with rectangular and square cross-section, 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