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AISI T1 |
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| Category | Steel |
| Class | Tool steel |
| Type | Tungsten high speed steel |
| Designations |
France: AFNOR 18-04-01
Germany: DIN 1.3355
Italy: UNI X 75 W 18 KU
Japan: JIS SKH2
United Kingdom: B.S. BT 1
United States: AMS 5626 , ASTM A600 , FED QQ-T-590 , SAE J437 , SAE J438
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| Composition |
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| Element | Weight % |
| C |
0.65-0.80 |
| Mn |
0.10-0.40 |
| Si |
0.20-0.40 |
| Cr |
3.75-4.00 |
| Ni |
0.3 |
| W |
17.25-18.75 |
| V |
0.90-1.30 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
| Mechanical Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Density (×1000 kg/m3) |
8.67 |
25 |
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| Poisson's Ratio |
0.27-0.30 |
25 |
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| Elastic Modulus (GPa) |
190-210
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25 |
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| Thermal Properties |
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| Properties | Conditions |
| T (°C) | Treatment |
| Thermal Expansion (10-6/ºC) |
9.7 |
20-200 more |
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| Thermal Conductivity (W/m-K) |
19.9 |
100 more |
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