Experimental data and macrostructure images of laser-welded AHSS joints

This dataset contains experimental results obtained from fatigue testing of laser-welded joints made of advanced high-strength steel (AHSS). The data include fatigue test results summarized in Excel format.Additionally, high-resolution macrostructure images of representative weld cross-sections are provided. The dataset supports the findings presented in the manuscript “Enhancement of fatigue performance of thin HSLA steel laser-welded butt joints” and can be used for further validation of fatigue behaviour of AHSS butt welds.