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ISO 1035:2026

Hot-rolled steel bars — Dimensions, shape, masses and tolerances

May 11, 2026

General information

60.60     May 11, 2026

ISO

ISO/TC 17/SC 3

International Standard

77.140.60  

English  

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Published

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Scope

This document specifies dimensions, shape, mass and tolerances of metric series hot-rolled steel bars.
This document is applicable to:

hot-rolled round bars with diameter of 5,5 mm up to 400 mm;
hot-rolled square bars with side length of 5,5 mm up to 300 mm;
hot-rolled flat bars with thickness of 3 mm up to 60 mm and width of 10 mm up to 200 mm;
hot-rolled hexagonal bars with distance across opposite flats of 8 mm up to 70 mm;
hot-rolled octagonal bars with distance across opposite flats of 16 mm up to 40 mm.

NOTE            Wide flats can be covered under flat bars for practical reasons.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 1035-1:1980

WITHDRAWN
ISO 1035-2:1980

WITHDRAWN
ISO 1035-3:1980

WITHDRAWN
ISO 1035-4:1982

NOW

PUBLISHED
ISO 1035:2026
60.60 Standard published
May 11, 2026