... YFL-C503BGB/T10045-E500T5Characteristics on UsageAT-YJ507 is alkalinity type CO2 shielded flux cored wire. There are characteristics such as steady ... welding of boiler, tanks, shipbuilding, bridges, constructions, and pipes.Notes on UsageUse 100% CO2 gasCO2 mass flow controlled at 20-25L/min ... (A)F120-300150-380180-420H120-300150-350180-380 Alkalinity type CO2 shielded flux cored welding wire,E70T-5