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This Part of prEN 10083:2003 specifies the general technical delivery requirements for - semi-finished products, hot formed, e.g. blooms, billets, slabs (see NOTES 3 and 4); - bars (see NOTE 3); - rod; - wide flats; - hot-rolled strip and sheet/plate; - forgings (see NOTE 3); manufactured from the direct hardening non alloy steels for quenching and tempering (see prEN 10083-2), the direct hardening alloy steels for quenching and tempering (see prEN 10083-3), the non alloy flame and induction hardening steels (see prEN 10083-2) and the alloy flame and induction hardening steels (see prEN 10083-3), and supplied in one of the heat treatment conditions given for the different types of products in the relevant tables of prEN 10083-2 and prEN 10083-3 and in one of the surface conditions given in the relevant tables of prEN 10083-2 and prEN 10083-3. The steels are in general intended for the fabrication of quenched and tempered or of austempered (see NOTE 2) or, in case of steels for flame and induction hardening, of flame or induction hardened machine parts, but are partly also used in the normalized condition (see prEN 10083-2). Where applicable, the requirements for mechanical properties given in prEN 10083-2 and prEN 10083-3 are restricted to the relevant tables in these European Standards.