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| AISI T1 |
| 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 |
| 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 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
|
8.67 |
25 |
| Poisson's Ratio |
|
0 .27 - 0.30 |
25 |
| Elastic Modulus (GPa) |
|
190 - 210 |
25 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Expansion (10-6/ºC) |
|
9.7 |
20 -200 |
| Thermal Conductivity (W/m-K) |
|
19.9 |
|
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