China GCr15 steel manufacturer

GCr15 steel is a high - carbon chromium bearing steel with wide applications and excellent performance. GCr15 steel is a high - carbon chromium bearing steel with relatively high carbon and chromium contents, contributing to its excellent performance.

GCr15 steel also has good wear resistance, contact fatigue resistance, dimensional stability and corrosion resistance. These properties make GCr15 steel an ideal material for manufacturing various bearings and mechanical parts.

Physical properties of GCr15 steel:

1. Hardness: After heat treatment, the hardness can reach HRC62-66, which has extremely high wear resistance;

2. Strength: GCr15 steel has high tensile strength and yield strength and can withstand large loads;

3. Toughness: Although GCr15 steel has high hardness, it has a certain degree of toughness and can resist impact and vibration to a certain extent.

GCr15 steel process performance:

1. Cutting performance: The cutting performance of GCr15 steel is average, but it can be improved by selecting appropriate tools and cutting parameters.

2. Welding performance: GCr15 steel has poor welding performance and is prone to defects such as cracks and white spots. Therefore, strict process measures need to be taken during the welding process.

3. Heat treatment properties: GCr15 steel has good heat treatment properties and can obtain the required hardness and strength through quenching and tempering processes.

GCr15 steel is widely used in the manufacture of various bearing rings and rolling elements, such as steel balls, rollers and bushings on transmission shafts in internal combustion engines, electric locomotives, automobiles, tractors, machine tools, rolling mills, drilling rigs, mining machinery, etc. In addition, GCr15 steel can also be used to manufacture tools, measuring tools and other mechanical parts that require high wear resistance, high elastic limit and high contact fatigue strength.

Heat treatment process

The heat treatment process of GCr15 steel includes steps such as annealing, normalizing, quenching and tempering. Among them, quenching and tempering are key steps to obtain high hardness and good mechanical properties. By precisely controlling parameters such as temperature, time and atmosphere during heat treatment, the required structure and properties can be obtained.

Product advantages

High performance: GCr15 steel has excellent mechanical properties and processing properties, and can meet the needs of various complex parts.

Wide application: GCr15 steel is suitable for the manufacture of a variety of mechanical parts and bearings, and has broad application prospects.

Stable and reliable: Through strict quality control and production processes, the quality and performance of GCr15 steel are ensured to be stable and reliable.

GCr15 steel is a high-carbon chromium bearing steel with excellent performance and wide application. It has the characteristics of high hardenability, high hardness, high wear resistance and good contact fatigue resistance, making it an ideal choice for manufacturing various bearings and mechanical parts.

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