Description
An aluminium alloy rod with 5% silicon giving excellent flow characteristics and penetration. Suitable for welding duralumin, cast (LM25) and wrought alloys 6063 (H9), 6061 (H20) and 6082 (H30).
5% Silicon
Not suitable for subsequent anodisation
SIF, GeKa or Super6 good high quality welding rods.
Technical specifications:
Metal Composition % – 5% Si, Bal AL
Melting Celsius – 585
U.T.S N/mm2 – 150
Hardness BHN – 50
EN ISO 18273 S AL 4043A (ALSi5)
BS: 2901 4043A, (NG21)




