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ISO 6934-4:2020

Steel for the prestressing of concrete — Part 4: Strand

Nov 30, 2020

General information

90.60     Mar 5, 2026

ISO

ISO/TC 17/SC 16

International Standard

77.140.15     91.080.40  

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Scope

This document specifies requirements for steel strand which has been given a stress-relieving heat treatment according to the general requirements specified in ISO 6934-1. This document covers 10 grades of steel strand for use in prestressed concrete construction; each strand can contain either 2, 3, 7 or 19 individual wires. In case of any conflict between the requirements of this document and ISO 6934-1, the requirements of document prevail.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 6934-4:1991

WITHDRAWN
ISO 6934-4:1991/Cor 1:1992

WITHDRAWN
ISO 6934-4:1991/Cor 2:2000

NOW

PUBLISHED
ISO 6934-4:2020
90.60 Close of review
Mar 5, 2026