18CrNiMo7-6 Steel

 

 

•18CrNiMo7-6  Chemical composition:

• Carbon (C): The content is between 0.15% and 0.21%.

• Silicon (Si): ≤ 0.4%.

• Manganese (Mn): 0.50% - 0.90%.

• Chromium (Cr): 1.50% - 1.80%.

• Nickel (Ni): 1.40% - 1.70%.

• Molybdenum (Mo): 0.25% - 0.35%.

• Phosphorus (P): ≤ 0.025%.

• Sulfur (S): ≤ 0.035%.

• Mechanical properties:

• Tensile strength (Rm): ≥ 1180 MPa.

• Yield strength (Rp0.2): ≥ 835 MPa.

• Elongation (A): ≥ 10%.

• Reduction of area (Z): ≥ 50%.

 

What are the characteristics of 18CrNiMo7-6 steel?

18CrNiMo7-6 steel has the following characteristics:

1. Good comprehensive mechanical properties:

• High bending strength: It can withstand large bending moments and shear forces, and is suitable for manufacturing various engineering structural components, such as large gears, transmission shafts, and turbine shafts.

• High hardness and wear resistance: It can reduce the impact of wear on equipment performance and improve the service life of equipment. It is often used in manufacturing high-load and high-speed gears, bearings and other components.

• High fatigue life: Under cyclic stress, it has a high fatigue life, which can effectively prevent fracture and failure and ensure the safe and reliable operation of equipment. For example, it is applied to key components such as wind power gears and automotive engines.

• Good toughness: The core has high hardness and toughness, and can withstand impact and vibration within a certain range. It is suitable for working conditions with certain impact and vibration loads, such as mining machinery.

2. Excellent hardenability: Due to the reasonable ratio of alloying elements, this steel grade has good hardenability. After proper heat treatment, a uniform hardness and strength distribution can be obtained to meet the performance requirements of thick parts or parts with large diameters.

3. Good processing performance: It has good machinability and is suitable for various processing processes, including forging, cutting and welding. However, when welding, preheating and slow cooling should be noted to avoid the generation of cracks.

4. Widely used: It is widely used in industries such as wind power, automobiles, petrochemicals, mining machinery and construction machinery. In the wind power industry, it can be used in the manufacture of wind power gears and wind power shafts; in the automotive industry, it is used for key components such as engines and transmission systems; in the petrochemical industry, it can be used to manufacture various corrosion-resistant equipment; in the mining machinery field, it can be used to manufacture key components such as crushers; in the construction machinery field, it can be used to manufacture various components.

 

Hot Tags: 18crnimo7-6 steel, China 18crnimo7-6 steel suppliers, factory, C63000, CuZn20Al2As, C62300, 1 4558, N08904, HR0 Steel