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ISO/FDIS 657-1

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Hot-rolled steel sections — Dimensions, sectional properties and tolerances — Part 1: Angles, sloping flange channels and sloping flange beams

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

23-01-2026

Superseded date

27-04-2026

£126.00
Excluding VAT

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, ISO630-1, ISO630-2, ISO630-3, ISO630-5 and ISO630-6.

Committee
ISO/TC 17/SC 3
DocumentType
Draft
Pages
24
PublisherName
International Organization for Standardization
Status
Superseded
Supersedes

£126.00
Excluding VAT