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56NiCrMoV7 Steel
56NiCrMoV7 steel, with its nickel chromium molybdenum vanadium multi-element alloy design, perfectly balances strength (quenching hardness 62HRC+), toughness (impact resistance), and wear resistance, making it particularly suitable for precision die-casting molds/forging dies. 56NiCrMoV7 steel has small heat treatment deformation (<0.05%), good hardenability, and is compatible with nitriding treatment, increasing its service life by 2-3 times.
- Fucheng Steel
- China
- 1 Month
- 2000 Tons/Month
- Information
56NiCrMoV7 TOOL STEEL
| Smelting and Manufacture Method: | LF+VD+Forged |
| Delivery Condition: | Annealed |
| Delivery hardness： | ≤241 HBS |
| UT Test Standard: | Sep 1921-84 Class3 D/d,E/e |
56NiCrMoV7 STEEL GRADE COMPARISON AND CHEMICAL COMPOSITION COMPARISON
| Standard/Steel Grade | Chemical Composition(%) | |||||||
| C | Si | Mn | Cr | Mo | V | Ni | ||
| DIN/W-Nr. | 56NiCrMoV7/1.2714 | 0.50~0.60 | 0.10~0.40 | 0.65~0.95 | 1.00~1.20 | 0.45~0.55 | 0.07~0.12 | 1.50~1.80 |
| ASTM | 6F3 | 0.55 | 0.85 | 0.60 | 1.00 | 0.75 | 0.10 | 1.00 |
| GB | 5CrNiMoV | 0.50~0.60 | ≤0.35 | 0.50~0.80 | 0.80~1.10 | 0.35~0.50 | 0.10~0.30 | 1.40~1.80 |
APPLICATION
56NiCrMoV7 steel is a multifunctional alloy tool steel mainly used for manufacturing high-performance cold work molds (such as cold stamping molds, shear molds) and plastic molds. The excellent wear resistance and polishing performance of 56NiCrMoV7 steel can significantly improve the life of molds and the surface quality of products.
56NiCrMoV7 steel is suitable for the field of hot work molds (such as die-casting molds and forging dies) and can maintain stability at high temperatures of 600 ℃. 56NiCrMoV7 steel is also commonly used in the manufacture of high-speed cutting tools, meeting high-strength machining requirements with excellent red hardness.
56NiCrMoV7 Steel Characteristics
56NiCrMoV7 steel is a high alloy tool steel widely favored in the industrial field for its excellent comprehensive performance. 56NiCrMoV7 steel contains various alloying elements such as nickel, chromium, molybdenum, and vanadium. Through a reasonable composition ratio, a balance of high strength, high toughness, and good wear resistance is achieved. The carbon content of 56NiCrMoV7 steel is controlled between 0.50% and 0.60%, providing a basic hardness for the material, while the addition of chromium significantly improves its corrosion resistance and wear resistance.
In terms of heat treatment performance, 56NiCrMoV7 exhibits excellent stability. It can achieve high hardness through oil quenching or gas quenching at 830-880 ℃, with a wide tempering temperature range (500-650 ℃), and can flexibly adjust the final performance. 56NiCrMoV7 steel has a small deformation during heat treatment, making it particularly suitable for manufacturing precision molds and tools. At the same time, its excellent hardenability ensures uniform performance even for large section workpieces.
The wear resistance of 56NiCrMoV7 steel is particularly outstanding, thanks to the hard carbides formed by chromium, molybdenum, and vanadium. These carbides are evenly distributed in the matrix, effectively resisting abrasive wear and adhesive wear. The presence of molybdenum element in 56NiCrMoV7 steel enables the material to maintain high red hardness at high temperatures, making it suitable for hot work molds such as die-casting molds and hot forging molds that work below 600 ℃.
Resilience is another significant characteristic of 56NiCrMoV7 steel. The addition of nickel significantly improves the impact toughness of the material, making it less prone to cracking when subjected to periodic impact loads. This characteristic makes 56NiCrMoV7 steel the preferred material for manufacturing impact resistant tools such as cold heading dies and stamping dies, while also meeting high demand application scenarios such as aviation components.
The 56NiCrMoV7 steel also exhibits good processing adaptability. Under annealing conditions, the cutting performance is good, and after hardening, high-precision surfaces can be achieved through grinding. Its polishing performance is excellent, and with appropriate treatment, a mirror effect can be obtained, making 56NiCrMoV7 steel particularly suitable for plastic mold manufacturing.
