| AISI T5 | |
 | |
| Category | Steel |
| Class | Tool steel |
| Type | Tungsten high speed steel |
| Designations |
Germany: DIN 1.3265 Italy: UNI KU Japan: JIS SKH 4A United Kingdom: B.S. BT 5 United States: ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438 , UNS T12005 |
| Composition | |
| |
| Element | Weight % |
| C | 0.75-0.85 |
| Mn | 0.20-0.40 |
| Si | 0.20-0.40 |
| Cr | 3.75-5.00 |
| Ni | 0.3 |
| Mo | 0.50-1.25 |
| W | 17.50-19.00 |
| V | 1.80-2.40 |
| Co | 7.00-9.50 |
| Cu | 0.25 |
| P | 0.03 |
| S | 0.03 |
| Mechanical Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 8.75 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Thermal Properties | |
| |
