The main purpose of this study is to investigated the single fillet weld design for built-up members by using ftision welding and find the effects of welding power input on that design for member. In this work. investigation of welding metal for Low carbon steel plate type St. 52-3. https://www.diegojavierfares.com/hot-price-U-S-POLO-ASSN-Blue-Cotton-Men-Sweater-p18350-great-buy/