55NCDV7 MOD, 55NiCrMoV7, Tool Steel
General Information
55NCDV7 MOD is an alloyed Quench and Tempering steel used in many tool like applications where there is need for high hardness and mechanical strength combined with good toughness.
We can provide more services:
1、Hardening and tempering
2、Vacuum heat treatment
3、Polished bright surface
4、Milling bright surface
5、CNC machine
6、Deep drilling
7、Cut into small pieces
8、Make it closer to the mold
Welcome to inquiry price from drawing
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. 55NCDV7 and 55NCDV7 MOD 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.
Similar designations
55NCDV7, L6, 1.2714, UNS T61206, 55NiCrMoV7
Chemical composition
| C % | Si % | Mn % | P % | S % | Cr % | Ni % | Mo % | V % | |
| Min | 0.52 | 0.20 | 0.70 | – | – | 1.10 | 1.50 | 0.45 | 0.080 |
| Max | 0.56 | 0.40 | 0.90 | 0.025 | 0.005 | 1.30 | 1.80 | 0.55 | 0.120 |
Mechanical properties
Delivery condition +A – Hardness: <248 HB
Delivery condition +A+C – Hardness, HB: <268
Delivery condition +QT – Hardness: 380 HB
Heat and plastic treatment
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℃
Transformation temperatures
Temperature °C
MS 237
AC1 716
AC3 772
