Alloyed steel intended for hot rolling mill rolls

descriptionPublicationkeyboard_double_arrow_right Article 01 Nov 1993 English Publisher:Springer Science and Business Media LLCJournal:Metal Science and Heat Treatment, volume 35, pages 657-659 (issn: 0026-0673, eissn: 1573-8973,

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Authors: Shabur Salem;

doi: 10.1007/bf00712290

Alloyed steel intended for hot rolling mill rolls

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Abstract

The complex alloyed high carbon 170Kh4M2F5 type steel in the original condition with an inadequately annealed matrix (650 HV) has a martensitic-troostite base structure and excess M3C, M23C6, M7C3, and MC type carbides. Austenite is formed over the 748 to 885°C range. Heating at higher temperatures results in the successive dissolution of the chromium carbides; M23C6 in the 950 and 1050°C range; M7C3 in the 1050 to 1150°C range. Vanadium carbides do not dissolve at temperatures up to 1150°C.

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