ISO9001 Certification Low Carbon Welding Electrode Dia: 2.5mm~4.0mm Length: 300m~450mm Packing: 5kg ... , it has excellent weldability and is suitable for welding low carbon steel light-gauge sheet or light structrues where beautiful ... 0.10max, Mn 0.39-0.6, Si 0.30max, S 0.03max, P 0.03max3. Inner packing:1) 2.5mm ... , 5kg/inner box + plastic bag4. Outer packing:20kg/carton Low Carbon Welding Electrode