Sichuan Liaofu Special Steel Company is one of the most experienced manufacturers and suppliers of w-nr 1.2714 56nicrmov7 froged mould steel round bar in China. With over 20 years' experience, our factory offer high quality products made in China with competitive price. Welcome to contact us for wholesale service.
W-Nr 1.2714 56nicrmov7 Froged Mould Steel Round Bar
Grade of Steel:
| AISI | W-Nr | GB | JIS |
| L6 | 1.2417 | 56NiCrMoV7 | SKT4 |
Chemical Component:
| C | Si | Cr | Mn | S | P | V | Ni |
| 0.50-0.60 | 0.80-1.20 | 1.00~1.30 | 0.65~0.95 | ≤0.030 | ≤0.030 | 0.07~0.12 | 1.50~1.80 |
Specification:
Suppliers of the plate/flat/Round bar can be cut to your requirements. The bar can be cut as one-offs or multiple cut pieces.
| Plat /Flat Bars | Round Bars |
| Thickness:20-500mm | Diameter:20-500mm |
Steel Condition:
| Hot Rolled & Hot Forged Electroslag / Electric furnace |
| Anneal:≤230HB |
| Heat treatment: 48-55HRC |
| Surface: Black surface/ Milling surface / Turning |


一.1.2714 Characteristics of die steel
1.2714 die steel, also known as 56NiCrMoV7, is a low-alloy chromium molybdenum steel, which is notable for its high content of chromium and the addition of appropriate nickel, molybdenum, vanadium and other alloying elements. The combined action of these alloying elements gives 1.2714 die steel the following unique properties:
1.High strength and high hardness: After proper heat treatment, the 1.2714 die steel can obtain extremely high hardness and strength, ensuring that the mold remains stable in the working environment under high load and high impact.
2. Excellent heat resistance: the steel can maintain stable mechanical properties in high temperature environment, suitable for the working temperature above 500°C scene, effectively extend the service life of the mold.
3. Excellent wear resistance: the surface hardness is high, the wear resistance is remarkable, can resist the wear in the process of long-term use, and maintain the accuracy and shape stability of the mold.
4. Good thermal crack resistance: Under high temperature conditions, 1.2714 die steel shows excellent thermal crack resistance, reducing the crack problem caused by thermal stress in the mold.
5. Easy processing and heat treatment: the steel has good machinability and machinability, which is convenient for processing and manufacturing of various shapes; At the same time, the heat treatment process is relatively simple, stable performance after quenching and tempering, and small deformation.
二. Application field
1.2714 Die steel is widely used in many industrial fields due to its excellent performance, mainly including:
1. Automobile manufacturing: In the automobile manufacturing process, a large number of stamping dies, forging dies and die casting dies need to use 1.2714 die steel. These molds need to withstand high temperature, high pressure and high strength impact, and 1.2714 die steel is the ideal material to meet these requirements.
2. Aerospace: The aerospace field is extremely strict in the performance of materials, 1.2714 steel because of its high strength, high heat resistance and good fatigue resistance, is used to manufacture engine parts, aircraft structural parts and other key parts of the mold.
3. Electronic manufacturing: In the manufacturing process of electronic products, high-precision molds are essential. 1.2714 The high hardness and wear resistance of the die steel ensure that the mold can still maintain high precision processing ability after a long time of use, and meet the strict requirements of electronic products for the mold.
4. Plastic molding: In plastic injection molding, die casting and other molding processes, 1.2714 die steel is widely used in the manufacture of various plastic molds because of its excellent wear resistance and heat resistance. These molds ensure high quality and precision of plastic products.
三. heat treatment process
1.2714 The heat treatment process of die steel has a crucial impact on its final properties. In general, the heat treatment process includes the following steps:
1. Heating at the mouth: heat the mold steel to a temperature of 800-850°C, and keep it for a period of time to ensure uniform internal temperature of the material.
2. Preheating: Hold heat at the heating temperature for a period of time (usually 2 hours) to reduce the thermal stress and deformation of the material in the subsequent quenching process.
Forged Steel Size we can supply:
Forged Steel Round Bar: Φ85mm~1200mm
Forged Square steel Bar: 150×150-800×800mm
Forged Flat Blocks: (150mm-800mm)*(200mm-800mm)
Forged Shaft and Forged Ringd: According to Customer's drawing



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