International Standard
ISO 657-1:2026
Hot-rolled steel sections — Dimensions, sectional properties and tolerances — Part 1: Angles, sloping flange channels and sloping flange beams
Reference number
ISO 657-1:2026
Edition 2
2026-04
Preview
ISO 657-1:2026
89683
Indisponible en français
Publiée (Edition 2, 2026)

ISO 657-1:2026

ISO 657-1:2026
89683
Langue
Format
CHF 135

Résumé

This document specifies requirements for dimensions, sectional properties and tolerances for hot-rolled sections as follows:

  1. equal angle LE (L section);
  2. unequal angle LU (L section);
  3. sloping flange channel US (U section);
  4. 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.

Informations générales

  •  : Publiée
     : 2026-04
    : Norme internationale publiée [60.60]
  •  : 2
  • ISO/TC 17/SC 3
    77.140.70 
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