Heat treatable steels, alloy steels and free-cutting steels - Nitriding steels
Heat treatable steels, alloy steels and free-cutting steels - Nitriding steels
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1 Scope This document gives the technical delivery requirements for
— semi-finished products, e.g. blooms, billets, slabs (see note 1),
— bars (see note 1),
— wire rod,
— hot-rolled plates (see note 2), and
— hammer or drop forgings (see note 1)
manufactured from the nitriding steels listed in Table 3 and supplied in one of the heat-treatment conditions given for the different types of products in Table 1, rows 2 to 5, and in one of the surface conditions given in Table 2. The steels are generally intended for the fabrication of quenched and tempered and, subsequently, nitriding machine parts. The requirements for mechanical properties given in this document are restricted to the sizes given in Table 6.
NOTE 1 Hammer-forged semi-finished products (blooms, billets, slabs, etc.), seamless rolled rings and hammer-forged bars are in the following covered under semi-finished products or bars and not under the term “hammer and drop forgings”.
NOTE 2
Другие стандарты BS