What is 5CrNiMo Tool Steel?
5CrNiMo tool steel is a high-performance alloy with hot work tool steel. This comprehensive guide covers chemical composition, mechanical properties, and machining characteristics per GB/T standards.
Chemical Composition
| Element | Content (%) | Standard |
|---|---|---|
| C | 0.50-0.60 | ASTM/GB |
| Cr | 0.50-0.80 | ASTM/GB |
| Ni | 1.40-1.80 | ASTM/GB |
| Mo | 0.15-0.30 | ASTM/GB |
| Fe | Balance | ASTM/GB |
Mechanical Properties
| Property | Value | Standard |
|---|---|---|
| Tensile Strength | ≥1030 MPa | GB/T |
| Yield Strength | ≥785 MPa | GB/T |
| Elongation | ≥5% | GB/T |
| Hardness | 290 HV | HV |
| Density | 7.85 g/cm³ | 20°C |
Key Features
- High hardness and wear resistance
- Excellent toughness
- Good hardenability
- Suitable for heat treatment
- Excellent dimensional stability
Applications
- Cutting tools and dies
- Mold making
- Punches and forming tools
- High-wear components
Machinability
5CrNiMo tool steel has moderate machinability in annealed condition. Recommended: Carbide tools, cutting speed 50-100 m/min, feed 0.10-0.25 mm/rev.
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