KUNWU ER4043 Aluminum MIG Welding Wire 0.025" x 1 Lb Spool

KUNWU Advanced Materials supplying steel of wires, coils, plates, bars, forgings, tubes and pipes. For welding materials supplying weld metal, filler metals, tungsten electrodes for gas tungsten arc welding, TIG welding or MIG welding, gas tungsten arc cutting, plasma arc welding or plasma arc cutting ...


ER4043, commonly known as “AlSi5", primarily used for aluminum welding wires for general purpose applications
Widely used for welding of 1060, 1070, 1080, 1350, 1100, 2219, 3003, Alc 3003, 5005, 5050, 5052, 5652, 6061, 6063, 5052, 3004, 3003...
ER4043 is recommended apply to gas shielded arc welding processes and are ordinarily used for oxyfuel gas welding, commonly used for applications of filler metal for automotive parts, truck trailers and bicycles
ER4043 spool packaged in a sealing bag to prevent any oxidation, be sure to seal it again when you will not use it in a long time
Less welding crack than other aluminum alloys and lower melting point



Standards Spools Dimensions of 4, 8, 12 in. Spools
We offer standard spools dimensions of 4, 8, 12 and 14 in. [100, 200, 300 and 350 mm] spools. The 4 in. spool is for 1, 1-1⁄2 and 2-1⁄2 lb wires, the 8 in. spool is for 10, 12, and 15 lb wires, the 12 in. spool is for 25, 30, 35, and 44 lb wires, the 14 in. spool is for 50 and 60 lb wires.


Super easy Installation

All welding materials from KUNWU has a Technical Data Sheet (TDS) and Safety Data Sheet (SDS) on the website. You will install and use these welding materials easily.



Vacuum sealed packaging
The vacuum sealed package is only for Flux Core Mild Steel MIG welding wire spools to prevent any oxidation. Be sure to use them quickly after opened the sealed package or seal it again before a long time unused.