H11 is a chromium hot work tool steel valued for its toughness and resistance to thermal shock. It maintains strength at elevated temperatures and resists heat checking during cyclic heating and cooling. The grade offers good hardenability for uniform properties in larger sections. Its balanced composition supports reliable machining and consistent heat treatment response. H11 is widely used for die casting dies, hot extrusion tooling, and forging dies. It performs well in hot shear blades, mandrels, and punches where impact resistance is required. Built for demanding service, H11 helps extend tool life and reduce downtime.
| STANDARDS | DIN / WNr | AISI | AFNOR | JIS | BS | GB | GOST |
|---|
| Shape | Dimensions |
|---|---|
| ROUNDS | 71 to 300 MM DIA |
| FLATS |
Thickness: 20 to 400 MM MAX
Width: 40 to 700 MM MAX
|
This grade isn’t utilized for typical applications in the area of hot-work steels, yet additionally useful for tool holders, bridge kind tools, ejector pins, liner holders, hot work punches, forging dies, and shrink work chucks.
| Element | Range |
|---|---|
| C | 0.33-0.41 |
| Si | 0.80-1.00 |
| Mn | 0.25-0.50 |
| P | 0.003 max |
| S | 0.030max |
| Cr | 4.80-5.50 |
| Mo | 1.10-1.50 |
| V | 0.30-0.50 |
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