MasterWeld MW-5556 is an aluminium welding wire that has good ductility and improved crack resistance due to the content of manganese, magnesium and zinc. With the magnesium content of 5% minimum this high strength alloy is used mainly on marine castings and fabrication.
Typical composition in %
- Si < 0,25
- Fe < 0,40
- Cu < 0,10
- Mn 0,60 - 1,00
- Mg 5,00 - 5,50
- Cr 0,05 - 0,20
- Zn < 0,20
- Be < 0,0003
- Ti 0,05 - 0,20
- Others < 0,05
Physical properties of pure weld metal (Approx. values)
- 0,2 % yield strength Rp0,2 [MPa] 145
- Tensile strength Rm [MPa] 290
- Elongation A5 (Lo=5d0) [%] 17
- Test temperature [°C] 20
- Others total < 0,15
Welding positions
PA, PB, PC, PD, PE, PF