Yield strength-toughness-uniform elongation (IMAGE) The University of Hong Kong Caption (A) Yield strength-toughness and (B) yield strength-uniform elongation of the present breakthrough D&P steel compared with other existing high strength metallic materials. D&P steel demonstrated the best combination of yield strength, toughness and uniform elongation. Credit @The University of Hong Kong Usage Restrictions Please credit @The University of Hong Kong when using the image. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.