Microstructure and Mechanical Property of 22MnB5 High-Strength Steel

Ao Ran Wei; Hong Wei Liu; Jing Fan Chen

doi:10.4028/www.scientific.net/AMR.864-867.644

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 864-867Microstructure and Mechanical Property of 22MnB5...

Microstructure and Mechanical Property of 22MnB5 High-Strength Steel

Abstract:

We have mental heat treatment for 22MnB5 steel with seven different experimental schemes and have mechanical property test on the seven steels. Then the microstructure and mechanical property of treated steels are studied, and the results show that 300°C is the optimum preservation temperature, at which we can get the optimum specific elongation of 22MnB5 steel. The tensile strength of steel thermal insulated at 300°C for 3 minutes is better than that of steel tempered at 300°C for 3 minutes, while as for specific elongation , the latter one is better. And we can also get homogeneous lath martensite after die quenching. The experiment lays foundations of the actual production process of hot forming.

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Periodical:

Advanced Materials Research (Volumes 864-867)

Pages:

644-647

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.864-867.644

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Online since:

December 2013

Authors:

Ao Ran Wei*, Hong Wei Liu, Jing Fan Chen

Keywords:

22MnB5 Steel, Mechanical Property, Microstructure

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References

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