FIELD: metallurgy, in particular, heatproof economically alloyed steel for billets of large-size tools of hot deformation, for instance, drift-pins of pilger rolling mills. SUBSTANCE: steel contains, mas.%: carbon, 0.15-0.23; manganese, 0.5-0.85; chromium, 2.8-3.3; vanadium, 0.1-0.25; niobium, 0.01-0.015; nitrogen, 0.005-0.015; iron, the balance; the total content of manganese and chromium shall be, at least, 3.7. EFFECT: provision of production of high heat- and wear-resistant steel. 2 tbl
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Authors
Dates
1997-06-10—Published
1995-07-19—Filed