AS/NZS 4671:2019
Steel for the reinforcement of concrete
Objective of the Standard is to provide materials specifications for steel bars and welded mesh used to reinforce concrete structures that have been designed in accordance with standards such as AS 3600 Concrete structures, or NZS 3101.1 Concrete structures standard, Part 1. This Standard has also been referenced by other design standards.
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AS/NZS 4671:2019 Steel for the reinforcement of concrete
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Notation
5 Classification and designation
5.1 Classification
5.2 Standard grades
5.3 Designation of bar and coil
5.4 Designation of welded mesh
6 Manufacturing methods
6.1 Production
6.2 Processing
6.2.1 Bars and coils
6.2.2 Mesh
6.3 Manufacturing control
7 Chemical, mechanical and geometric requirements
7.1 Chemical composition and weldability
7.2 Mechanical properties
7.2.1 General
7.2.2 Tensile properties
7.2.3 Bending and rebending properties
7.2.4 Fatigue strength
7.2.5 Shear strength of joints in mesh
7.3 Geometric properties
7.3.1 Diameters, cross-sectional areas and masses
7.3.2 Length of bars
7.3.3 Straightness tolerance of bars
7.3.4 Coil size
7.4 Surface geometry
7.4.1 General
7.4.2 Geometry of ribs and indentations
7.5 Form and dimensions of mesh
7.5.1 General
7.5.2 Commonly available mesh
7.5.3 Minimum number of bars
7.5.4 Bar arrangement
7.5.5 Purpose-made mesh
7.5.6 Pitch
7.5.7 Sheet size tolerances
7.5.8 Welds
7.5.9 Deemed-to-satisfy rib or indentation geometry
8 Quality of finished bar
9 Demonstrating product conformity
10 Identification and certificates
10.1 Identification of reinforcing steels
10.2 Identification of the steel producer
10.3 Labelling of reinforcing steel for supply
10.4 Product conformity reports and certificates for reinforcing steels
Appendix A (normative) Product conformity
Appendix B (normative) Manufacturing control
Appendix C (normative) Requirements for determining the mechanical and geometric properties of reinforcement
Appendix D (informative) Purchasing guidelines
Appendix E (informative) Long term quality data
Appendix F (informative) Rationale for product conformity and sampling
Bibliography
Previous versions
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Related Information
Building Code Compliance Document B1
Ministry: Ministry of Business, Innovation, and Employment - Building Systems Performance (BSP)
Section: AS1, AS3, VM1
Citation context:Similar Standards
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AS/NZS 3679.1:2016
Structural steel - Part 1: Hot-rolled bars and sections -
AS/NZS 3679.2:2016
Structural steel - Part 2: Welded I sections -
BS EN 10058:2018
Hot rolled flat steel bars and steel wide flats for general purposes. Dimensions and tolerances on shape and dimensions
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BS EN 10058:2018 - TC
Tracked Changes. Hot rolled flat steel bars and steel wide flats for general purposes. Dimensions and tolerances on shape and dimensions
AS/NZS 4671:2019 Steel for the reinforcement of concrete
Preface
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Notation
5 Classification and designation
5.1 Classification
5.2 Standard grades
5.3 Designation of bar and coil
5.4 Designation of welded mesh
6 Manufacturing methods
6.1 Production
6.2 Processing
6.2.1 Bars and coils
6.2.2 Mesh
6.3 Manufacturing control
7 Chemical, mechanical and geometric requirements
7.1 Chemical composition and weldability
7.2 Mechanical properties
7.2.1 General
7.2.2 Tensile properties
7.2.3 Bending and rebending properties
7.2.4 Fatigue strength
7.2.5 Shear strength of joints in mesh
7.3 Geometric properties
7.3.1 Diameters, cross-sectional areas and masses
7.3.2 Length of bars
7.3.3 Straightness tolerance of bars
7.3.4 Coil size
7.4 Surface geometry
7.4.1 General
7.4.2 Geometry of ribs and indentations
7.5 Form and dimensions of mesh
7.5.1 General
7.5.2 Commonly available mesh
7.5.3 Minimum number of bars
7.5.4 Bar arrangement
7.5.5 Purpose-made mesh
7.5.6 Pitch
7.5.7 Sheet size tolerances
7.5.8 Welds
7.5.9 Deemed-to-satisfy rib or indentation geometry
8 Quality of finished bar
9 Demonstrating product conformity
10 Identification and certificates
10.1 Identification of reinforcing steels
10.2 Identification of the steel producer
10.3 Labelling of reinforcing steel for supply
10.4 Product conformity reports and certificates for reinforcing steels
Appendix A (normative) Product conformity
Appendix B (normative) Manufacturing control
Appendix C (normative) Requirements for determining the mechanical and geometric properties of reinforcement
Appendix D (informative) Purchasing guidelines
Appendix E (informative) Long term quality data
Appendix F (informative) Rationale for product conformity and sampling
Bibliography
Previous versions
AS/NZS 4671:2019
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.