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55NiCrMoV7, 1.2714 Hot-working tool steel with high impact strength, ductility, very good hardenability, High resistance to high temperatures as well as temperature differences occurring during operation.In in the metallurgical industry, where high mechanical properties are also required, and low tendency to deformation during heat treatment.The grades are used in the production of forging machine components - forging dies, parts of extrusion presses, hot knives or deburring plates.
WNLV, WNL, WNL1, 56NICRMOV7, 55NICRMOV7, 56 NICRMOV 7, 55 NICRMOV 7, 1.2714, 1.2713, 55NCDV7, 55NICRMOV6, 55 NICRMOV 6, NK, SKT4, MOCN15, CSN 19662, 5CRNIMO, BH 224/5, 55VMOCRNI16, 55MOCRNI16, T61206, 5CHNM, 5KHNM, 5ХНМ
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | 0.50 | 0.60 | ||
| Mn | 0.65 | 0.95 | ||
| Si | 0.10 | 0.40 | ||
| P | 0.03 | |||
| S | 0.03 | |||
| Cr | 0.60 | 0.80 | ||
| Mo | 0.25 | 0.35 | ||
| Ni | 1.50 | 1.80 | ||
| V | 0.07 | 0.12 |
| Tensile strength | 883～767 | σb/MPa |
| Yield Strength | 232 | σ 0.2 ≥/MPa |
| Elongation | 28 | δ5≥(％) |
| ψ | - | ψ≥(％) |
| Akv | - | Akv≥/J |
| HBS | 538～559 | - |
| HRC | 30 | - |
| Thermal expansion | 34-85 | e-6/K |
| Thermal conductivity | 63-30 | W/m.K |
| Specific heat | 450-460 | J/kg.K |
| Melting temperature | 5508-2972 | 째C |
| Density | 7280-1329 | kg/m3 |
| Resistivity | 0.50-0.60 | Ohm.mm2/m |
| Steel Grade | Specification | Processing range(mm) |
| 55NiCrMoV7, 1.2714 Tool Die Steels | Round Bar and Hollow Bar | Φ1 to Φ2000 |
| Square and Flat Steel | Φ10 to Φ100 | |
| Plate and Sheet | 0.08-800(Thickness)*10-1500(Width)*Length | |
| Tube or Pipe | OD:Φ4-410; WT:1-35 mm; Lenght:10-12000 | |
| Coil and Strip Steel | THK:0.1mm Width:1500mm | |
| Forged | Ring/Cylindrical/Disk |
