T247 aluminum bronze welding of high manganese 
 Description: T247 for the welding of high manganese aluminum bronze core, low-hydrogen coating of copper alloys. Excellent wear resistance and corrosion resistance. DC power supply, then the positive electrode. 
 Usage: for high-manganese aluminum bronze and other copper alloys, copper alloys and steel welding and repair welding of cast iron. Such as various chemical machinery, water radiator, the valve welding, pumps, cylinders and other surfacing and repair of the ship propeller. 
 Chemical Composition of Deposited Metal /% 
 Mn Fe Ni Al Cu 
 9.0-12.0 2.5-4.0 1.8-2.5 5.5-7.5 margin 
 T307 copper-nickel electrode "consistent: GB ECuNi-B