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| Steel |
 |
|
| Name |
Class |
Alloy Type |
| AISI H21 |
Tool steel |
Tungsten hot work steel |
| AISI H22 |
Tool steel |
Tungsten hot work steel |
| AISI H23 |
Tool steel |
Tungsten hot work steel |
| AISI H24 |
Tool steel |
Tungsten hot work steel |
| AISI H25 |
Tool steel |
Tungsten hot work steel |
| AISI H26 |
Tool steel |
Tungsten hot work steel |
|