Different Tempering Temperatures Din 41cr4 Steel Changes In Mechanical Properties - China

Changes in mechanical properties of DIN 41Cr4 steel at different tempering temperatures Low-temperature tempering (150 - 250℃): The main purpose is to eliminate quenching stress, reduce the brittleness of steel, and maintain high hardness and wear resistance.

At this time, the tensile strength and yield strength do not change much, but the impact toughness will increase, but the increase is relatively limited.

​​Medium-temperature tempering (350 - 500℃): A higher elastic limit and yield strength can be obtained, while having a certain toughness.

It is often used to manufacture parts such as springs that need to work within the elastic range.

After tempering in this temperature range, the hardness of the material will decrease, but the elastic properties will be improved.

​​High-temperature tempering (500 - 650℃): That is, quenching and tempering treatment, which can make the steel have good comprehensive mechanical properties, that is, higher strength, plasticity and toughness.

After high-temperature tempering, the structure of the material is more uniform and stable, which can meet the comprehensive requirements of most mechanical parts for mechanical properties.

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