Jeff Shaffer, Manager of Product Marketing and Management for the Instron^® Industrial Products Group, talks with Advanced Materials & Processes (AM&P) about how critical understanding the basics of tensile testing is to ensure product quality of steel reinforcing bar, or rebar. Rebar is embedded in concrete to improve the overall strength of the surrounding concrete. International testing standards serve as guides to promote consistency across the globe. Where some aspects of these standards can be left to interpretation, this often leads to variations in testing performance and methodologies. This article attempts to provide clarity on the areas commonly misinterpreted or misunderstood by lab operators.

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