Hot work tool steel with high hardness, tensile strength, resistant to fracturing at high temperatures. Good thermal conductivity. Care is needed when cooling with water.
Hot work tool steel with high hardness, tensile strength, resistant to fracturing at high temperatures. Good thermal conductivity. Care is needed when cooling with water.
Hot work tools & dies adapted to heavy-duty service, mainly for processing of light alloys: mandrels, dies and containers for extruding metal pipes & bars. Hot extrusion equipment. Tools & dies for production of hollowed-out housings, screws, rivets, nuts & bolts. Die casting equipment, dies, die inserts, hot cutting blades and plastic moulding dies.
Chemical composition
| Element | C | Si | Mn | P | S | Cr | Mo | V |
| min | 0.35 | 0.80 | 0.25 | max | max | 4.80 | 1.20 | 0.85 |
| max | 0.42 | 1.20 | 0.50 | 0.03 | 0.02 | 5.50 | 1.50 | 1.15 |
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Equivalents
| Wr.Nr. | PN | EN | GOST | AISI |
| 1.2344 | WCLV | X40CrMoV5-1 | 4Х5МФ1С | H13 |
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