Abstract

This paper introduces traditional ultra-high steels and the dilemma of its processing, the application of the rolling method in the production of ultra-high strength steel, Nano-fine grain preparation techniques for improvement of strength and toughness, Phase composition regulation to improve mechanical properties. Summed up microstructure and mechanical properties control methods for ultra-high strength steel in the rolling process, Using the methods innovatively solves the flexible rolling process produces 1600 MPa grade ultra-high strength and toughness nano-scale B/M complex phase under the existing equipment conditions of ordinary steel enterprises.

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