Abstract
Preparation of hollow and shaped billets using electroslag remelting (ESR) technology is a promising direction for preparatory manufacture of objects for thermal and atomic power generation, petrochemistry, engineering, and other branches of industry. One of the main factors of ESR determining metal quality is deoxidation and slag regime characteristics. Optimization of slag chemical composition choice of the type and consumption of deoxidizing agent are provided in laboratory experimental melts for solid and hollow ingots of high-chromium heat-resistant steel 10Kh9MFB-Sh. NPO TsNIITMASh together with Energomash (Chekhov) – ChZEM have developed a technology for producing high-quality shaped billets of a shut-off control fitting by ESR of steel 10Kh9MFB-Sh. Laboratory and pilot plant metal structures and properties are studied.
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