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SANS 920:2011: Steel Bars For Concrete Reinforcement

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This standard provides requirements for carbon steel bars intended for use as reinforcement in concrete. It covers physical and mechanical properties but not surface treatments. It references other related standards and provides additional details in appendices.

This standard covers the physical and mechanical requirements for carbon steel bars intended for reinforcement in concrete. It does not cover surface treatments of the steel bars.

Definitions provided include acceptable, bar, and batch mass. Acceptable is acceptable to the authority administering the standard or parties in a purchase contract. A bar is a steel product with a plain round or deformed cross-section. Batch mass refers to the mass of bars of the same type, size and cast number delivered at one time.

Licensed exclusively to SABS.

Copying and network storage prohibited.

ISBN 978-0-626-33025-5
SANS 920:2011
Edition 2.3

SOUTH AFRICAN NATIONAL STANDARD

Steel bars for concrete reinforcement

Published by SABS Standards Division


1 Dr Lategan Road Groenkloof  Private Bag X191 Pretoria 0001
Tel: +27 12 428 7911 Fax: +27 12 344 1568
www.sabs.co.za
 SABS
Licensed exclusively to SABS.
Copying and network storage prohibited.

SANS 920:2011
Edition 2.3

Table of changes
Change No. Date Scope
Amdt 1 1994 Amended to incorporate cold-reduced steel bars and to make
editorial corrections.
Amdt 2 2005 Amended to change the designation of SABS standards to SANS
standards, to update the definition of "acceptable" and
referenced standards, to replace the formula for the calculation
of the rib area in the test for deformed bars (5.6.1.4), to add a
note to 5.6.2.4, to delete reference to the standardization mark
and to add a bibliography.
Amdt 3 2011 Amended to update referenced standards.

Foreword
This South African standard was approved by National Committee SABS/TC 081/SC 01,
Construction materials, products and test methods – Cement, lime and concrete, in accordance with
procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT
agreement.

This document was published in February 2011.

This document supersedes SANS 920:2005 (edition 2.2).

A vertical line in the margin shows where the text has been technically modified by amendment
No. 3.

Compliance with a South African National Standard cannot confer immunity from legal
obligations.

Reaffirmed and reprinted in July 2016.


This document will be reviewed every five years
and be reaffirmed, amended, revised or withdrawn.

© SABS
Licensed exclusively to SABS.
Copying and network storage prohibited.

SANS 920:2011
Edition 2.3

Contents
Page

Foreword

1 Scope ..................................................................................................................................... 3

2 Definitions .............................................................................................................................. 3

3 Requirements ......................................................................................................................... 5

4 Marking .................................................................................................................................. 8

5 Inspection and methods of test .............................................................................................. 8

5.1 Inspection ...................................................................................................................... 8


5.2 Dimensions and mass per metre .................................................................................. 8
5.3 Tensile test .................................................................................................................... 8
5.4 Bending test .................................................................................................................. 9
5.5 Rebending test .............................................................................................................. 9
5.6 Test for deformed bars .................................................................................................. 9

Appendix A Applicable standards ............................................................................................ 14

Appendix B Notes to purchasers ............................................................................................. 14

Appendix C Cross-sectional area and nominal mass per metre of steel bars ........................ 15

Appendix D Weldability of steel bars ....................................................................................... 15

Appendix E Chemical composition of steel bars ..................................................................... 16

Appendix F Quality evaluation of steel bars produced to the requirements laid


down in the specification ...................................................................................... 16

Appendix G Cold-reduced steel bars ....................................................................................... 17


Amdt 1

Bibliography .............................................................................................................................. 18
Amdt 2

© SABS 1
Licensed exclusively to SABS.
Copying and network storage prohibited.

SANS 920:2011
Edition 2.3

This page is intentionally left blank

2 © SABS
Licensed exclusively to SABS.
Copying and network storage prohibited.

SANS 920:2011
Edition 2.3

Steel bars for concrete reinforcement

1 Scope
1.1 This specification covers the physical and mechanical requirements for carbon steel bars
intended for use as reinforcement for concrete.

1.2 It does not cover any surface treatment of the steel bars.
NOTE

a) The attention of users of steel bars for concrete reinforcement is drawn to the following standards:
SANS 282, SANS 1200 G, SANS 10100-1, SANS 10100-2 and SANS 10144.

b) The standards referred to in the specification are listed in appendix A.

c) Requirements that must be specified by the purchaser are listed in appendix B.

d) Values for the cross-sectional area and the nominal mass per metre of steel bars are given in appendix C.

e) Details on the weldability of steel bars are given in appendix D.

f) A test that may be used to determine the chemical composition of steel bars is given in appendix E.

g) Guidance on the verification of the quality of steel bars for concrete reinforcement produced to this
specification is given in appendix F.

h) Requirements for cold-reduced steel bars are given in appendix G. Amdt 1

2 Definitions
For the purposes of this specification, the following definitions and the definitions of other relevant
terms given in SANS 6892-1 shall apply: Amdt 1; amdt 3

acceptable
acceptable to the authority administering this standard, or to the parties concluding the purchase
contract, as relevant Amdt 1; amdt 2

bar
a steel product of plain round or deformed cross-section, as rolled, including a rod, a coil and a
portion cut from a coil

batch mass
the mass, as stated by the manufacturer, of bars of the same type, nominal size and cast number,
delivered at any one time

© SABS 3

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