Heat-resistant martensitic steel Kh12NMFB

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1978 English Publisher:Springer Science and Business Media LLCJournal:Metal Science and Heat Treatment, volume 20, pages 1,020-1,021 (issn: 0026-0673, eissn: 1573-8973,

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Authors: M. F. alekseenko; L. S. Fedotova; I. S. Elkin;

doi: 10.1007/bf00703282

Heat-resistant martensitic steel Kh12NMFB

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Abstract

1. Martensitic stainless steel Kh12NMFB (EP609) with good weldability is intended for machine parts and apparatus for prolonged operation at temperatures up to 600°. 2. Two heat treatments have been developed for steel Kh12NMFB-hardening from 1000–1050° and tempering at 650° (σb ≥ 90 kgf/mm2) hardening from 1000–1050° and tempering at 550° (σb ≥ 110 kgf/mm2) — for parts not welded. 3. The mechanical properties of welded joints made by argon-arc welding are approximately equal to those of the base metal. 4. The steel has good technological properties and can be used for deep drawing, has good weldability, and is not susceptible to cracking in welded apparatus of complex configuration.

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