4043 grade 1.2mm aluminium mig wire for welding duralumin, wrought and cast irons.
Choose from 0.5kg, 2kg and 7kg spools.
This wire has a 5% silicon addition which improves fluidity and is a popular choice with welders.
AWS A5.10 ER 4043
EN ISO 18273-S AL4043 (AL Si 5)
BS 2901 4043A (NG21)