This Technical Report gives the technical delivery requirements for

• semi-finished products, for example blooms, billets, slabs (see note 3 below);
• bars (see note 3 below);
• wire rod;
• hot or cold rolled sheet/plate and strip (see note 2 below);
• hammer or drop forgings (see note 3 below).

These articles are manufactured from the boron alloy steels listed in table 3 and supplied in one of the heat-treatment conditions given for the different types of products in table 1, lines 2 to 5 for columns 4 to 8 and in one of the surface conditions given in table 2.

The steels are in general intended for the fabrication of quenched and tempered or austempered (see 3.3 and note 1 below) machine parts.

This Technical Report is not applicable for steels for cold heading which are covered by ISO 4954.

In special cases, variations in these technical delivery requirements or additions to them may form the subject of an agreement at the time of enquiry and order (see annex A).

In addition to this Technical Report, the general technical delivery requirements of ISO 404 are applicable.