Standard Input Output Norms for non alloy steel regulate allowable imported inputs tied to export product manufacture.

Standard Input Output Norms set per unit permissible imports for manufacturing specified non alloy steel export products, listing quantities for major inputs (steel melting scrap, pig/cast iron, sponge iron/HBI, limestone), additives (silico manganese, ferro alloys, petroleum coke, aluminium, calcium silicide, lead/copper where applicable), consumables (graphite electrodes, rolls/tungsten carbide rings, copper lined moulds, blades, lancing pipes, tips, casting powder), refractories and energy/lubricants. The norms govern which import items are allowable based on production route and exported product type.

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