ACI PRC-439.4-09 Report on Steel Reinforcement - Material Properties and U.S. Availability (Reapproved 2017)

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The material properties of the various types of steel reinforcement produced for use in the United States are described. Types of steel reinforcement defined in this report include deformed reinforcing bars, plain and deformed wire, welded wire reinforcement, bar mats, and prestressing reinforcement. The requirements, restrictions, and testing information of the pertinent ASTM specifications are reviewed. The availability of the various types and sizes of reinforcement in the U. S. is discussed.

Keywords: bend tests; bending (reinforcing steels); deformed reinforcement; deformed reinforcing bars; ductility; material properties; prestressing steels; reinforced concrete; reinforcing steels; specifications; spiral reinforcement; tensile strength; welded reinforcement grids; welded wire fabric; welded wire reinforcement; yield strength.


Document Details

Author: ACI Committee 439

Publication Year: 2009

Pages: 19

ISBN: 9780870313486

Categories: Reinforcement

Formats: PDF

Table of Contents

Chapter 1—Introduction and scope



Chapter 2—Notation and definitions



Chapter 3—Reinforcing bars


3.2—Material properties



3.5—Material testing

3.6—Spirals and mats

3.7—Corrosion protection products

Chapter 4—Plain and deformed wire


4.2—Material properties

4.3—Wire size designation


4.5—Corrosion protection products

Chapter 5—Welded wire reinforcement


5.2—Material properties

5.3—Higher-strength welded wire reinforcement

5.4—Welded wire reinforcement styles


5.6—Minimum quantity requirements

5.7—Corrosion protection products

Chapter 6—Prestressing reinforcement


6.2—Material properties


6.4—Corrosion protection products

6.5—Other prestressing reinforcement

Chapter 7—Developments in reinforcing steel

7.1—High relative rib area reinforcing bars

7.2—Low-carbon, chromium steel reinforcing bars

Chapter 8—References

8.1—Referenced standards and reports

8.2—Cited references


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