Welding testDye penetration test(DPI, DPT, LPI, LPT, DP) for fillet welding. February 16, 2021 - Leave a Comment Facebook Twitter Pinterest CIVIL A.R.TTue, February 16, 2021 3:11amURL:Embed:Dye Penetrant Examination is commonly used for the inspection of surface associated discontinuities in weld components. In this technique low viscosity liquids … Facebook Twitter Pinterest