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| Category |
Steel |
| Class |
Tool steel |
| Type |
Chromium hot work steel |
| Designations |
France: AFNOR Z 38 CDV 5
Germany: DIN 1.2343
Italy: UNI KU
Japan: JIS SKD6
United Kingdom: B.S. BH 11
United States: AMS 6437 , AMS 6485 , AMS 6487 , AMS 6488 , ASTM A681 , FED QQ-T-570 , SAE J437 , SAE J438 , SAE J467 , UNS T20811 |
| Element |
Weight % |
| C |
0.33-0.43 |
| Mn |
0.20-0.50 |
| Si |
0.80-1.20 |
| Cr |
4.75-5.50 |
| Ni |
0.3 |
| Mo |
1.10-1.60 |
| V |
0.30-0.60 |
| Cu |
0.25 |
| P |
0.03 |
| S |
0.03 |
| Properties |
Conditions |
| T (°C) |
Treatment |
| Density (×1000 kg/m3) |
|
7.75 |
25 |
| Poisson's Ratio |
|
0.27-0.30 |
25 |
| Elastic Modulus (GPa) |
|
190-210 |
25 |
| Thermal Properties |
 |
|
| Properties |
Conditions |
| T (°C) |
Treatment |
| Thermal Expansion (10-6/ºC) |
|
11.9 |
20-100 |
| Thermal Conductivity (W/m-K) |
|
42.2 |
100 |
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