Published
This document specifies requirements for dimensions, sectional properties and tolerances for hot-rolled sections as follows:
equal angle LE (L section);
unequal angle LU (L section);
sloping flange channel US (U section);
sloping flange I beam IS(I section).
This document is used together with technical delivery conditions especially, but is not limited, ISO 630-1, ISO 630-2, ISO 630-3, ISO 630-5 and ISO 630-6.
WITHDRAWN
ISO 657-1:1989
WITHDRAWN
ISO 657-2:1989
WITHDRAWN
ISO 657-5:1976
WITHDRAWN
ISO 657-11:1980
WITHDRAWN
ISO 657-15:1980
PUBLISHED
ISO 657-1:2026
60.60
Standard published
Apr 27, 2026