Mixture of thin and thick and old steel scrap, in sizes not exceeding 1,5×0,5×0,5m, prepared to ensure direct charging. Must be free of rebars, merchant bars, silicon bearing, tincoated and incineratorscrap. Also free of metallic copper, tin, lead and alloys, mechanical pieces and steriles to meet the aimed analytical contents. 0,75 ton/m3 HMS 1 & HMS 1+2 (E1) formed part of abt. 65% of all scrap shipped.