Standards Development

Scope

This document specifies dimensions, shape, mass and tolerances of metric series hot-rolled steel bars.

This document is applicable to:

a) hot-rolled round bars with diameter of 5,5 mm up to 380 mm;

b) hot-rolled square bars with side length of 5,5 mm up to 300 mm;

c) hot-rolled flat bars with thickness of 3 mm up to 60 mm and width of 10 mm up to 200 mm;

d) hot-rolled hexagonal bars with distance across opposite flats of 8 mm up to 70 mm;

e) hot-rolled octagonal bars with distance across opposite flats of 16 mm up to 40 mm.

This document applies to, but is not limited to, steel grades defined in all parts of ISO 630 and so on.