Hot work tool steel with good ductility and good thermal conductivity. Resistant to cooling, thermal shocks, and fracturing at high temperatures. Has exceptional hardenability and resistance to tampering during work, and good polishability.
Hot work tool steel with good ductility and good thermal conductivity. Resistant to cooling, thermal shocks, and fracturing at high temperatures. Has exceptional hardenability and resistance to tampering during work, and good polishability.
Tools for light alloy processing, tools for hot extrusion, tools for boring, tools for nit, rivet & screw production.
Chemical composition
| Element | C | Si | Mn | P | S | Cr | Mo | V |
| min | 0.33 | 0.80 | 0.25 | max | max | 4.80 | 1.10 | 0.30 |
| max | 0.41 | 1.20 | 0.50 | 0.03 | 0.02 | 5.50 | 1.50 | 0.50 |
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Equivalents
| Wr.Nr. | PN | EN | GOST | AISI |
| 1.2343 | WCL | X37CrMoV5-1 | 4Х5МФС | H11 |
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