ISO 6934-5:2024
(Main)Steel for the prestressing of concrete — Part 5: Hot-rolled steel bars with or without subsequent processing
Steel for the prestressing of concrete — Part 5: Hot-rolled steel bars with or without subsequent processing
This document specifies requirements for round high tensile strength steel bars for the prestressing of concrete. The surface can be plain or threaded.
Acier pour armatures de précontrainte — Partie 5: Barres en acier laminées à chaud avec ou sans transformation ultérieure
General Information
Relations
Standards Content (Sample)
International
Standard
ISO 6934-5
Second edition
Steel for the prestressing of
2024-08
concrete —
Part 5:
Hot-rolled steel bars with or
without subsequent processing
Acier pour armatures de précontrainte —
Partie 5: Barres en acier laminées à chaud avec ou sans
transformation ultérieure
Reference number
© ISO 2024
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Published in Switzerland
ii
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Conditions of manufacture . 1
4.1 Steel .1
4.2 Welds .2
4.3 Threaded ends .2
5 Surface configuration . 2
6 Properties . 4
6.1 Total elongation at maximum force .4
6.2 Tensile properties .4
6.3 Bendability .4
6.4 Relaxation .4
6.5 Fatigue .4
6.6 Durability .5
7 Designation . 5
8 Delivery conditions . 5
9 Retest. 5
iii
Foreword
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This document was prepared by Technical Committee ISO/TC 17, Steel, Subcommittee SC 16, Steels for the
reinforcement and prestressing of concrete.
This second edition cancels and replaces the first edition (ISO 6934-5:1991), which has been technically
revised.
The main changes are as follows:
— the normative references, steel grade and test method have been revised;
— Table 1 have been split to Table 1 and Table 2;
— retest requirements have been added (see Clause 9).
A list of all parts in the ISO 6934 series can be found on the ISO website.
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