... /T3429-2002 Enterprise StandardQ/GZJ0206012-2003Soldering wire for manual arc welding Hot Rolled About 2000Kg for high speed wire coil or ... metallographic structure and mechanical performance, the steel wire coil for welding of 5.5mm ER50-6 E produced by our company ... domestic advance level with the features of less welding splashing, smooth and good welding seam and high strength and gained the prize ...