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Test Study of Domestic 2.25Cr-1Mo-0.3V Steel Heat Treatment Process

HU Tian-jiang

Open publisher page 1 citations

Abstract

The actual scale shell section heat treatment process condition was simulated,and the influence of microstructure and properties on shell section thickness of different as quenching + tempering state materials was researched.The results showed that,after being quenched + tempered,comprehensive mechanical properties and microstructure of austenite grain degrees of the test sample were greatly improved,and the mechanical properties of steel plate after twice quenching,especially the low-temperature impact toughness was greatly raised.

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What this paper is about

The actual scale shell section heat treatment process condition was simulated,and the influence of microstructure and properties on shell section thickness of different as quenching + tempering state materials was researched.The results showed that,after being quenched + tempered,comprehensive mechanical properties and microstructure of austenite grain degrees of the test sample were greatly improved,and the mechanical properties of steel plate after twice quenching,especially the low-temperature impact toughness was greatly raised.

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Available abstract

The actual scale shell section heat treatment process condition was simulated,and the influence of microstructure and properties on shell section thickness of different as quenching + tempering state materials was researched.The results showed that,after being quenched + tempered,comprehensive mechanical properties and microstructure of austenite grain degrees of the test sample were greatly improved,and the mechanical properties of steel plate after twice quenching,especially the low-temperature impact toughness was greatly raised.

Key concepts: Tempering, Microstructure, Quenching (fluorescence), Materials science, Austenite, Metallurgy, Toughness, Shell (structure)

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