AS NZS 36791-2010 Structural steel Hot-rolled bars and sections
Document Sample
AS/NZS 3679.1:2010
AS/NZS 3679.1:2010
Australian/New Zealand Standard™
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Structural steel
Part 1: Hot-rolled bars and sections
AS/NZS 3679.1:2010
This Joint Australian/New Zealand Standard was prepared by Joint Technical
Committee BD-023, Structural Steel. It was approved on behalf of the Council of
Standards Australia on 25 June 2010 and on behalf of the Council of Standards New
Zealand on 25 June 2010.
This Standard was published on 20 July 2010.
The following are represented on Committee BD-023:
Austroads
Association of Consulting Engineers Australia
Australian Chamber of Commerce and Industry
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Australian Industry Group
Australian Steel Institute
Bureau of Steel Manufacturers of Australia
Business New Zealand
New Zealand Heavy Engineering Research Association
Steel Construction New Zealand
The University of Melbourne
The University of New South Wales
The University of Sydney
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This Standard was issued in draft form for comment as DR 07234.
AS/NZS 3679.1:2010
Australian/New Zealand Standard™
This is a free 6 page sample. Access the full version at http://infostore.saiglobal.com.
Structural steel
Part 1: Hot-rolled bars and sections
Originated in Australia as for of AS A1—1925.
Previous edition AS/NZS 3679.1:1996.
Third edition 2010.
COPYRIGHT
© Standards Australia/Standards New Zealand
All rights are reserved. No part of this work may be reproduced or copied in any form or by
any means, electronic or mechanical, including photocopying, without the written
permission of the publisher.
Jointly published by Standards Australia, GPO Box 476, Sydney, NSW 2001 and Standards
New Zealand, Private Bag 2439, Wellington 6140
ISBN 978 0 7337 9637 1
AS/NZS 3679.1:2010 2
PREFACE
This Standard was prepared by the Joint Standards Australia/Standards New Zealand
Committee BD-023, Structural Steel, to supersede AS/NZS 3679.1:1996.
The objective of this Standard is to specify requirements for hot-rolled structural steel bars
and sections for general structural and engineering applications.
This edition incorporates the following major changes to the previous edition:
(a) The definition of a batch has been clarified.
(b) A new grade S0, which complies with the seismic material requirements in
NZS 3404.
(c) Redundant grades 250, 250L0, 250L15, 400, 400L0, 400L15 have been removed.
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(d) References to tapered-flange channels have been removed.
(e) The new requirement for individual length markings.
(f) The new requirement for test reports and test certificates to be performed by third-
party accredited laboratories.
(g) The introduction of mandatory minimum information required on test certificates.
(h) The inclusion of Appendix B on ‘Product Conformity’ as a mandatory provision for
conformance with this Standard.
(i) Appendix F—Steel for seismic and fracture critical applications for New Zealand
only has been added.
To permit the steel industry time to adjust to the new edition of the Standard, the 1996
version of AS/NZS 3679.1 will remain available superseded and will be withdrawn 12
months from the date of publication of this Standard.
A statement expressed in mandatory terms in a note to a table is deemed to be a requirement
of this Standard.
The terms ‘normative’ and ‘informative’ have been used in this Standard to define the
application of the appendix to which they apply. A ‘normative’ appendix is an integral part
of a Standard, whereas an ‘informative’ appendix is only for information and guidance.
3 AS/NZS 3679.1:2010
CONTENTS
Page
1 SCOPE........................................................................................................................ 4
2 NORMATIVE REFERENCES ................................................................................... 4
3 DEFINITIONS............................................................................................................ 5
4 DESIGNATION.......................................................................................................... 6
5 STEEL MANUFACTURING PROCESS ................................................................... 7
6 CHEMICAL COMPOSITION .................................................................................... 7
7 MANUFACTURING TOLERANCES........................................................................ 7
8 FREEDOM FROM DEFECTS.................................................................................... 8
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9 TESTING.................................................................................................................... 9
10 MECHANICAL PROPERTIES ................................................................................ 10
11 IDENTIFICATION, TEST CERTIFICATES AND INDEPENDENT TESTS .......... 11
12 ROUNDING OF NUMBERS.................................................................................... 12
APPENDICES
A PURCHASING GUIDELINES.................................................................................. 25
B PRODUCT CONFORMITY...................................................................................... 27
C COLD-BENDING OF ROUNDS, FLATS AND SQUARES DURING
FABRICATION ........................................................................................................ 30
D DIMENSIONS........................................................................................................... 31
E MEASUREMENT OF CAMBER AND SWEEP IN UNIVERSAL SECTIONS ....... 39
F STEEL FOR SEISMIC AND FRACTURE CRITICAL APPLICATIONS
(NEW ZEALAND ONLY) ........................................................................................ 40
BIBLIOGRAPHY .................................................................................................................... 41
AS/NZS 3679.1:2010 4
STANDARDS AUSTRALIA/STANDARDS NEW ZEALAND
Australian/New Zealand Standard
Structural steel
Part 1: Hot-rolled bars and sections
1 SCOPE
This Standard specifies the requirements for the production and supply of hot-rolled
structural steel bars and sections.
For general structural and engineering applications, all grades specified in this Standard are
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suitable for—
(a) welding in accordance with AS/NZS 1554.1; or
(b) riveting and bolting as specified in AS/NZS 4600, AS 3990, AS 4100 and NZS 3404.
This Standard does not cover the following:
(i) Structural steel—Hot-rolled plates, floorplates and slabs, and welded I sections.
(ii) Steel plates for pressure equipment.
(iii) Structural steel hollow sections.
(iv) Carbon steels and carbon-manganese steels—Hot-rolled bars and semifinished
products.
(v) Steel reinforcing bars for concrete.
(vi) Structural and pressure vessel steel—Quenched and tempered plate.
Requirements for product conformity to this Standard are given in Appendix B.
NOTES:
1 Guidelines to purchasers on requirements that should be specified by the purchaser and those
that should or may be agreed on at the time of enquiry and order are given in Appendix A.
2 Guidelines on cold-bending of rounds, flats and squares during fabrication are given in
Appendix C.
2 NORMATIVE REFERENCES
The following normative documents are referenced in this Standard:
NOTE: Documents referenced for informative purposes are listed in the Bibliography.
AS
1391 Metallic materials—Tensile testing at ambient temperature
1544 Methods for impact tests on metals
1544.2 Part 2: Charpy V-notch
2706 Numerical values—Rounding and interpretation of limiting values
3990 Mechanical equipment—Steelwork
4100 Steel structures
AS/NZS
1050 Methods for the analysis of iron and steel
1050.1 Part 1: Sampling iron and steel for chemical analysis
COPYRIGHT
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AS/NZS 3679.1:2010, Structural steel Hot-rolled
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