STEEL Russian patent published in 1995 - IPC

FIELD: metallurgy; applicable in manufacture of rolls for glass producing industry. SUBSTANCE: steel has the following qualitative and quantitative composition, mas. carbon 0.10-0.46; silicon 0.7-2.7; manganese 0.3-2.0; chromium 16.0-28.0; nickel 8.0-23.0; aluminium 0.2-0.5; lanthanum 0.001-0.004; cerium 0.001-0.004; yttrium 0.01-2.0; the balance, iron. Steel may have impurities: copper up to 0.3 mas. phosphorus up to 0.040 mas. sulfur up to 0.040 mas% EFFECT: rolls for glass production made from the offered steel feature higher adaptability to manufacture and improved service properties. 5 tbl