FERRITIC IRON-ALUMINIUM-CHROMIUM ALLOYS

摘要

A ferritic alloy of iron, chromium and aluminium containing: 10 to 25% chromium 1 to 10% aluminium 0 to 0.15% carbon 0 to 3% silicon 0 to 2% manganese 0 to 2% titanium 0 to 5% nickel, the nickel content not however being so great as to produce significant amounts of a second phase, hafnium, 0,05 to 1% the balance being iron and incidental amounts of the other alloying elements.