ISO 657-1:2026
ISO 657-1:2026 Hot-rolled steel sections - Dimensions, sectional properties and tolerances - Part 1: Angles, sloping flange channels and sloping flange beams
standard byInternational Organization for Standardization , 04/01/2026
standard byInternational Organization for Standardization , 04/01/2026
This document specifies requirements for dimensions, sectional properties and tolerances for hot-rolled sections as follows:
u000bu000bequal angle LE (L section);u000bunequal angle LU (L section);u000bsloping flange channel US (U section);u000bsloping flange I beam IS(I section).u000bu000bThis document is used together with technical delivery conditions especially, but is not limited, ISO630-1, ISO630-2, ISO630-3, ISO630-5 and ISO630-6.