HEAT RESISTING IRON-CHROME-ALUMINIUM ALLOY WITH LOW SPEED OF CHROME EVAPORATION AND INCREASED HEAT RESISTANCE Russian patent published in 2015 - IPC C22C38/00 C22C30/00 

FIELD: metallurgy.

SUBSTANCE: alloy contains in wt %: Al 2.0-4.5, Cr 12-25, W 1.0-4.0, Nb 0.25-2.0, Si 0.05-1.2, Mn 0.001-0.70, C 0.001-0.030, Mg 0.0001-0.05, Ca 0.0001-0.03, P 0.001-0.030, N max. 0.03, S max. 0.01, Y 0.,01-0.10, Hf 0.01-0.10, Zr 0.01-0.10, Mo provided that Mo+W is 1.0-4.0, Ni max. 1.0, Co max. 1.0, Cu max. 0.5, V max. 0.1, O 0.001-0.010 and/or B 0.0001-0.008, Fe and admixtures - rest. From allot tape with thickness 0.02-3 mm and wire with diameter 0.01-12 mm are manufactured.

EFFECT: alloy is characterised with high heat resistance, creep strength and corrosion resistance.

15 cl, 5 dwg, 5 tbl