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H21/ DIN 1.2581 / AISI H21/3Cr2W8V
H21/AISI H21 / DIN 1.2581 is a tungsten hot-work tool steel commonly used for dies and tooling that see elevated temperatures and demanding service conditions. This specialized grade offers exceptional resistance to softening at high temperatures and maintains its strength under cyclic heating and cooling. It is widely recognized for its robust performance in high-integrity tool manufacturing.
Key Properties
- Great toughness
- High tungsten content
- Hardness: 40.0 - 55.0 HRC
- Exceptional hot strength
- Stable thermal performance
Typical Applications
- Hot extrusion dies
- Die casting dies
- Hot-forming parts
- Tooling for hot work
- High-temp forging dies
Chemical Composition (%)
| C | Si | Mn | Cr | W | V |
|---|---|---|---|---|---|
| 0.26-0.36 | 0.15-0.25 | 0.20-0.40 | 3.00-3.75 | 8.50-10.00 | 0.30-0.60 |
Available Shapes
H21 Steel is accessible in various shapes to meet your specific manufacturing needs:
- Rounds
- Flats / Blocks
- Squares