Toolman Special Steels is proud to produce and offer T15 (1.3202) - a high tungsten alloy grade for high performance cutting tools. T15 steel high vanadium content enhances its cutting performance and durability, while its cobalt content contributes to superior tempering durability and hot hardness. This steel has demonstrated significant advantages in applications involving hard materials that cause extensive wear on cutting surfaces, especially under elevated temperatures.
Steel Properties
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High Toughness & Ductility
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High Wear Resistance
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Very high Compressive strength
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Very high Edge Stability
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High Grindability
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Very high Hot Hardness
Chemical Composition
| Element | Value |
|---|---|
| C | 1.50 |
| Cr | 5.00 |
| Mo | - |
| W | 18.00 |
| Co | 12.5 |
| V | 5 |
Mechanical Properties
| Property | Value |
|---|---|
| Hardness (HB) | 300 max (Annealed) |
| Quenching and Tempering Hardness (HRC) | 65 - 69 |
Physical Properties
| Property | Value |
|---|---|
| Density (g/cm³) | 8.2 |
Modulus of Elasticity
| Temperature (°C) | kN/mm² |
|---|---|
| 20 | 245 |
Thermal Properties
| Temperature (℃) | Thermal Expansion Coefficient (10^-6/°C) |
|---|---|
| 500 | 11.64 |
| 600 | 12.08 |
Thermal Conductivity
| Temperature (℃) | Thermal Conductivity (W/m•K) |
|---|---|
| 20 | 24 |
HEAT TREATMENT AND PROCESSES
Heat treatment
| Process | Temperature (°C) | Details | Cooling Method |
|---|---|---|---|
| Soft Annealing | 850-900 | Heat to 850 - 900°C | Cool slowly at 10°C/h to about 700°C, then air cool |
| Stress Relieving | 600-700 | Heat to 600-700°C, hold for 2 hours | Cool in still air. Slow cooling down to 500°C |
| Hardening | 1st Step: 450-500 | Preheat in 2 steps: 450-500°C, then 850-900°C | Quench in oil, warm bath, or air |
| 2nd Step: 850-900 | Heat to 1210-1240°C for high hardness, 1190-1210°C for toughness | ||
| Tempering | 560- 580 | Tempering at 560°C three times for at least 1 hour each time | Cooling to room temperature (25°C) between temperings. |
Applications
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Automotive Racing
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Broaches and Reamers
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Cold Forming / Coining
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End Mills
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Fine Blanking, Stamping, Blanking
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Gear Cutting, Shaving and Shaping Tools
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Powder Pressing
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Rolling
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Shearing / Machine Knives
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Special Cutting Tools
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Twist Drills and Taps
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Pill punching dies
Quality Assurance
Our T15 1.3202 steel undergoes rigorous testing and quality control to meet international standards, ensuring consistent performance and reliability. Certificates and test reports are available upon request. Feel free to reach out to us for more information on our T15 1.3202 steel products or to discuss your specific requirements. We're dedicated to providing top-quality steel solutions that meet your needs and exceed your expectations.
Manufacturing Range
| ROUNDS | SQUARES | ||
|---|---|---|---|
| SIZE (MM) | CONDITION | SIZE (MM) | CONDITION |
| 6.00 - 14.00 | CG | 7.2, 8.8, 10.5, 11 | HRA |
| 15.00 - 50.00 | HRAP | 13.5, 14, 17.5, 21 | HRA |
| 52.00 - 405.00 | FAT | 27, 32, 40 | HRA |
| 52.00 - 305.00 | FA |
Flats
| THICKNESS | WIDTH | CONDITION |
|---|---|---|
| 5.00 - 32.00 | 21.00 - 105.00 | HRA |
| 32.00 - 105.00 | 40.00 - 205.00 | FA |