welding rod: sizes: 2.5 x 300mm, 2.5 x 350mm, ... :2.5kg/box *8box/carton 5kg/box *4box welding rod:We can supply welding rod in common sizes: 2.5 x 300mm ... : Used to weld low carbon steel structures, especially suitable for welding thin flat, intermittent shorter welds, as well as some smooth ... ≤0.040Reference CurrentDiameter(mm)2.02.53.24.05.0Current4070709090120150190180240 welding rod