55NiCrMoV7, 1.2714 - tool steel
Tool alloy steel for hot-working 55NiCrMoV7, 1.2713, 56NiCrMoV7, 1.2714, 55NCDV7 according to ISO 4957, DIN 17350.
| Standard | Steel Grade | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Chemical Composition % | ||||||||||
| C: | Mn: | Si: | P: | S: | Cr: | Mo: | Ni: | V: | ||
| PN | WNLV | |||||||||
| 0.50 - 0.60 | 0.5 - 0.8 | 0.15 - 0.40 | <0.03 | <0.03 | 1.0 - 1.3 | 0.50 - 0.65 | 1.8 - 2.1 | 0.05 - 0.12 | ||
| PN | WNL | |||||||||
| 0.5 - 0.6 | 0.5 - 0.8 | 0.15 - 0.40 | <0.03 | <0.03 | 0.5 - 0.8 | 0.15 - 0.25 | 1.4 - 1.8 | - | ||
| ISO | 55NiCrMoV7 - 56NiCrMoV7 - 1.2714 | |||||||||
| 0.5 - 0.6 | 0.6 - 0.9 | 0.10 - 0.40 | <0.03 | <0.03 | 0.8 - 1.2 | 0.35 - 0.55 | 1.5 - 1.8 | 0.05 - 0.15 | ||
| DIN | 55NiCrMoV6 - 1.2713 | |||||||||
| 0.5 - 0.6 | 0.65 - 0.95 | 0.10 - 0.40 | <0.03 | <0.03 | 0.6 - 0.8 | 0.25 - 0.35 | 1.5 - 1.8 | 0.07 - 0.12 | ||
| AF | 55NCDV7 | |||||||||
| 0.5 - 0.6 | 0.5 - 0.8 | 0.10 - 0.40 | - | - | 0.7 - 1.0 | 0.30 - 0.50 | 1.5 - 2.0 | 0.05 - 0.15 | ||
| PN | WNL1 | |||||||||
| 0.5 - 0.6 | 0.50 - 0.60 | 0.15 - 0.40 | <0.03 | <0.03 | 0.5 - 0.8 | 0.15 - 0.25 | 1.4 - 1.8 | 0.05 - 0.12 | ||
| GOST | 5ХНМ | |||||||||
| 0.5 - 0.6 | 0.50 - 0.80 | 0.10 - 0.40 | <0.03 | <0.03 | 0.5 - 0.8 | 0.15 - 0.30 | 1.4 - 1.8 | - | ||
55NiCrMoV7, 1.2714 - specification and application
Tool steel for hot-working with high impact strength, ductility, very good hardenability, showing high resistance to high temperatures as well as temperature differences occurring during operation.
WNL and WNLV are alloy materials used, among others, 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.
Mechanical properties of 55NiCrMoV7, 1.2714:
- Delivery condition +A - Hardness: <248 HB
- Delivery condition +A+C - Hardness, HB: <268
- Delivery condition +QT - Hardness: 380 HB
Mechanical properties of WNL:
- Softened delivery condition - hardness: <241 HB
- Hardness after tempering at a temperature:
- 300 = ~53 HRC
- 350 = ~51 HRC
- 400 = ~49 HRC
- 450 = ~47 HRC
- 500 = ~44 HRC
- 550 = ~42 HRC
- 600 = ~37 HRC
Mechanical properties of WNLV:
- Softened delivery condition - hardness: <248 HB
- Hardness after tempering at a temperature:
- 300℃ = ~54 HRC
- 350℃ = ~52 HRC
- 400℃ = ~51 HRC
- 450℃ = ~50 HRC
- 500℃ = ~49 HRC
- 550℃ = ~48 HRC
- 600℃ = ~46 HRC
Heat and plastic treatment of WNL, WNLV, 55NiCrMoV7, 1.2714:
- Softening annealing at a temperature of 650 - 680℃
- Relief annealing at a temperature of 600 - 650℃
- Hardening at a temperature of 840 - 860℃
- Nitriding at a temperature of 470 - 570℃
- Rolling and forging at a temperature of 1100 - 850℃
In the above mentioned grades the company provides:
Substitutes, equivalents and other species designations
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
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