Various Specifications Aisi E52100 Steel Higher Hardenability - China

AISI E52100 steel is a high-carbon chromium alloy steel known for its high hardenability and good wear resistance.

Chemical Composition and Hardenability

- Composition: The typical chemical composition of AISI E52100 steel includes 0.98-1.10% carbon and 1.30-1.60% chromium.

These elements enable the steel to form fine carbides during quenching, thereby improving hardenability.

- Effect of Chromium: The addition of chromium not only improves hardenability but also enhances wear resistance and fatigue strength.

Chromium refines the size of carbides, allowing for a more uniform distribution during quenching, thereby improving hardenability.

Factors Affecting Hardenability

- Carbide Distribution: A uniform distribution of carbides is crucial for improving hardenability.

This distribution can be improved through appropriate heat treatment processes, such as spheroidizing annealing.

- Cooling Rate: The cooling rate and stirring rate of the quenching oil significantly affect hardenability.

Increasing the stirring rate results in faster cooling, which increases quench distortion.

In summary, the high hardenability of AISI E52100 steel is primarily attributed to its high carbon and chromium contents, as well as the uniform distribution of carbides achieved through a sophisticated heat treatment process.

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