Lastifil 780

Solid welding wire for hardenable aluminium plates and profiles

Welding wire for MIG welding of aluminium alloys.

Very appropriate for welding of heat treated aluminium (AA 6000-range).

The deposit is hardly susceptible to cracking when joining hardenable aluminium alloys.

For welding AlMg-alloys with a high Mg-content, using Lastifil 77 is recommended because of hardness and strength reasons.

The weld beads become darker when anodized.

Specifications & Usage


Welding of AA6060; AA6082; AlMgSi0.5; AlMgSi0.7; AlMgSi1; AlMg1SiCu; G-AlSi7Mg; G-AlSi5Mg; G-AlSi6Cu4 and dissimilar aluminium alloys.


Use Teflon wire conductors and appropriate driving wheels on the wire feeder.

Preferably use a push-pull torch.


Welding proces: Mig/Mag welding (GMAW)
Material Type: Aluminium
Welding positions: All
Norm : EN 18273
Classification: S-Al 4043
Norm: AWS A5.10
Classification: ER 4043
Minimum packing: 7 kg spool (in a cardboard box)