Sheet Steel 1.3355 / P18
General Characteristics
Steel 1.3355 (P18) is a high-speed tool steel known for its excellent hardness, wear resistance, and thermal stability. It is widely used in the manufacturing of cutting tools and industrial applications requiring high-speed performance and durability.
Chemical Composition (%)
The main elements in the composition of 1.3355 steel:
- Carbon (C): 0.70 – 0.85
- Tungsten (W): 17.50 – 19.00
- Molybdenum (Mo): ≤ 0.70
- Chromium (Cr): 3.80 – 4.50
- Vanadium (V): 0.90 – 1.30
- Manganese (Mn): ≤ 0.40
- Silicon (Si): ≤ 0.40
- Phosphorus (P): ≤ 0.030
- Sulfur (S): ≤ 0.030
Mechanical Properties
- Hardness after heat treatment: 63-66 HRC
- Tensile strength: up to 2500 MPa
- Yield strength: up to 2200 MPa
- Excellent wear and thermal resistance
Key Advantages
✅ Exceptional hardness and durability ✅ High wear and thermal resistance ✅ Good machinability and grindability ✅ Suitable for high-speed cutting tools ✅ Retains cutting edge even under extreme conditions
Applications
🔹 Manufacturing of high-speed cutting tools (drills, milling cutters, reamers) 🔹 Production of dies and punches 🔹 Industrial metalworking tools 🔹 Components operating under extreme thermal conditions 🔹 High-performance tooling for precision machining
Steel Supply Forms 1.3355 / Р18 / HS 18-0-1
| Steel Grade EN | Steel Grade DIN | Supplied Dimensions (mm) | ||
| Thickness (mm) | Width (mm) | Length (mm) | ||
| HS 18 -0-1 |




Reviews