HEAT-RESISTANT ALLOY Russian patent published in 1998 - IPC

FIELD: metallurgy. SUBSTANCE: invention relates to metallurgy of heat-resistant alloys based on iron-nickel base, in part, to welding materials. Alloy has, wt. -%: carbon, 0.30-0.60; silicon, 1.00-2.00; manganese, 0.5-1.5; phosphorus, 0.005-0.012; sulfur, 0.005-0.012; chrome, 25-27; nickel, 29-36; molybdenum, 0.1-2.0; tungsten, 0.2-0.5; titanium, 0.05-0.4; boron, 0.0005-0.005; aluminium, 0.05-0.2; zirconium, 0.005-0.15; niobium, 0.5-1.8; magnesium 0.015-0.15; nitrogen, 0.01-0.05; yttrium, 0.008-0.15; lead, 0.0005-0.005; tin, 0.002-0.005; zinc, 0.0005-0.001; bismuth, 0.0005-0.001; arsenic, 0.0002-0.005; antimony, 0.0003-0.004; and iron, the balance, under the following conditions: % C + % N = = 0.25-0.39 and % Pb + % Zn + % Sn + + % Bi + % As + % Sb + % S + % P = 2-10. EFFECT: improved quality of alloy. 5 tbl