Suitable Quenching Medium C45 Steel Bar Controls Temperature And Time - China

C45 steel bar quenching treatment

Water is a common quenching medium, but for C45 steel bar, oil or polymer quenching agent can be considered because it is prone to quenching cracks.

Oil has a relatively slow cooling rate, which can reduce quenching stress and reduce the risk of cracks.

Polymer quenching agent can adjust the cooling rate according to different concentrations and has good flexibility.

For example, using rapid quenching oil for quenching can reduce the generation of thermal stress while ensuring a certain cooling rate.

Controlling C45 steel bar quenching temperature and time:

Determining the appropriate quenching temperature is crucial to the performance of C45 steel.

Generally speaking, the quenching temperature of C45 steel is between 820℃ - 860℃.

Too high quenching temperature may lead to coarse grains and reduce the toughness of the material; while too low temperature may make the quenching effect less obvious, affecting the hardness and strength of the material.

Quenching time should be determined according to the size and shape of the component.

Larger components require longer quenching time to ensure that the entire component can reach a uniform quenching temperature.

For example, for a C45 steel shaft with a diameter of 50mm, the quenching time can be controlled at around 10 - 15 minutes.

Songshun Steel

Dongguan Songshun Mould Steel Co., LTD which is an industrial and trading company with 3500-7000ts hydraulic forging machine.

We provide a great variety of steels, competitive price with good quality and keep the large stock are over 20000 tons.

Songshun Company Website: https: //songshunsteel.

com/

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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