ACI 439.4R-09 (R2017) PDF Download

ACI 439.4R-09 (R2017) is a standard. This standard provides a detailed description of the material properties of various types of steel reinforcement produced in the United States. It covers types of steel reinforcement such as deformed reinforcing bars, plain and deformed wire, welded wire reinforcement, bar mats, and prestressing reinforcement.

The standard focuses on the requirements, restrictions, and testing information outlined in the relevant ASTM specifications for steel reinforcement. It provides a comprehensive review of these specifications to ensure that the material properties of steel reinforcement meet the necessary standards.

Additionally, the standard addresses the availability of different types and sizes of steel reinforcement in the United States. It discusses the market availability of these materials, providing valuable information for engineers, contractors, and other professionals involved in the construction industry.