This dataset has been created by TU WIEN and belongs to Work Package 2 about Simulations for LBW and PBF processes. © COPYRIGHT 2021 The CUSTODIAN Consortium. All rights reserved. Table of contents including supplementary information: LBW_G11.png - Comparative image of cross and longitudinal section of simulation and experiment of LBW; primary beam only; conditions G11 (details given in image). LBW_G11_opt.png - Comparative image of cross and longitudinal section of simulation and experiment of LBW; primary and secondary beam; conditions G11 (details given in image). LBW_G7.mp4 - Comparative video: high speed camera recording (top) and simulation result (bottom) of LBW; conditions G7: P = 4kW, gap width = 0.3mm, welding velocity = 100mm/s; primary beam only. LBW_G7_GrainGrowth.mp4 - Video showing coupled simulation of melting, solidification, and crystallographic grain growth; conditions G7; primary beam only. LBW_G9.png - Comparative image of cross and longitudinal section of simulation and experiment of LBW; primary beam only; conditions G9 (details given in image). LBW_G9_opt.png - Comparative image of cross and longitudinal section of simulation and experiment of LBW; primary and secondary beam; conditions G9 (details given in image). PBF_CM247LC_multitrack.mp4 - Video of simulation showing 6 tracks of PBF-LB/M of CM247LC on a 100μm powder bed; bidirectional scanning path; substrate coloured light grey, powder coloured dark grey, meltpool coloured by temperature. PBF_CM247LC_validation.png - Image showing comparison of cross-sectional weld bead obtained experimentally and in simulation for a single track of CM247LC scanned on 100μm powder bed. PBF_IN713LC_balling.mp4 - Video of simulation of PBF-LB/M of IN713LC where insufficient heat input (452W) leads to surface energy-driven defect called balling; accompanying image of experimental result on the right PBF_IN713LC_Q5plus.png - Image of simulation and experimental result of PBF-LB/M of IN713LC with sufficient heat input to prevent balling (520W). PBF_IN713LC_validation.png - Image showing comparison of cross-sectional weld bead obtained experimentally and in simulation for a single track of IN713LC scanned on 50μm powder bed.