ingot-steeln. steel cast in ingots, containing sufficient carbon to harden and temper.
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1851 Official Descriptive & Illustr. Catal. Great Exhib. III. 616/1 The metal, when melted, is poured into a mould, and acquires the name of ‘ingot steel’.
1902 Encycl. Brit. XXIX. 571/2 Half-Hard and High-Carbon Steels, sometimes called ‘ingot-steel’.