IRON-CHROME-ALUMINIUM ALLOY

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FIELD : metallurgy. SUBSTANCE : alloy contains (wt %) : from 2.5 till 5.0% Al, from 10 till 25% Cr and from 0.05 till 0.8% Si, and also admixtures from >0.01 till 0.1% Y and/or from >0.01 till 0.1% Hf, and/ or from >0.01 till 0.2% Zr, and/ or from >0.01 till 0.2% of misch metal with high content of cerium (Ce, La, Nd), and also attached foreign material and it is used for manufacturing details of diesel or two-cycle engine. Those details are : foil - carrier of metallic catalyst of discharge gases neutralisation, heater element or resistance material for electrical heating of purification system of discharge gas. EFFECT : enough durability against oxidation at high temperature range. 8 cl, 2 dwg, 1 tbl