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immediate downloadReleased: 2026-04-27
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
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| Standard´s number: | ISO 657-1:2026 |
| Edition: | 2 |
| Released: | 2026-04-27 |
| Pages (English): | 24 |
DESCRIPTION
ISO 657-1:2026
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.