Special steels
42CD4 QT / 42CrMo4
High mechanical strength
42CD4 QT / 42CrMo4 is a high-strength chromium-molybdenum alloy steel known for its excellent mechanical strength, high toughness and good fatigue resistance. In the quenched and tempered condition, it offers high hardness, excellent impact resistance and good dimensional stability under heavy loads. It is widely used for shafts, gears, axles, forgings, highly stressed mechanical components and parts for automotive, industrial and precision engineering.
Available dimensions
| Round bars | Ø 20 – 450 mm |
|---|
Forms
- Round bar
Colours
- Grey
- Green
Technical properties
| Tensile strength | 900–1100 MPa |
|---|---|
| Treatment | Q+T |
Typical, indicative values — not contractual. Reference data is given in the technical data sheet.
Technical data sheets
Sectors
- Automotive
- Power transmission
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