Suitable materials for vacuum quenching

May 30, 2024

 

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Among the materials that are quenched in vacuum furnaces today, the most common materials are high-speed steel, ductile iron, stainless steel, alloy steel, and various other low-alloy and high-alloy steels.

 

What is vacuum quenching?

 

Vacuum quenching is a high-temperature heat treatment technology. It is a process that heats the material to a suitable temperature under vacuum conditions and rapidly cools it at a corresponding cooling rate. Generally, the process temperature range of vacuum quenching is between 800℃ and 1200℃, and the cooling medium includes inert gas, oil and water.

 

What is the main purpose of vacuum quenching?

 

Due to its excellent surface hardness and wear resistance, vacuum quenching is widely used in various industrial production. For example, high-speed steel, automotive bearings, forgings, and various other parts.

 

How to Use the most suitable material?

 

Among the materials that are quenched in vacuum furnaces today, the most common materials are high-speed steel, ductile iron, stainless steel, alloy steel, and various other low-alloy and high-alloy steels. High-speed steel has the advantages of high external strength, good toughness and cutting performance, so it is widely used in the manufacture of various cutting tools, bearings and other fields; ductile iron can show its excellent material properties under low load and high impact load conditions; after treatment, the surface of stainless steel exudes a beautiful luster, which can play its own characteristics in a polluted environment and is widely used in electrical appliances, instruments and other fields; alloy steel has many advantages such as high strength, good toughness and strong wear resistance, so it is also a material widely used in vacuum quenching treatment.

 

Summary

 

The vacuum quenching process is suitable for the preparation of materials with high strength requirements, high surface hardness and high wear resistance. In terms of material selection, the most suitable material should be selected for quenching treatment based on the properties of the material and the required field of use, taking into account various factors.

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