MasterWeld MW-4020 AlSi3Mn Aluminium Welding Wire has been developed for and used in the automotive industry for the welding of body in white parts especially exterior shells.
Typical composition in %
- Si 2,50 - 3,50
- Fe < 0,20
- Cu < 0,03
- Mn 0,80 - 1,20
- Mg 0,01
- Zr < 0,01
- Be < 0,0003
- Ti < 0,005
- Others < 0,02
- Others total < 0,10
Physical properties of pure weld metal (Approx. values)
- 0,2 % yield strength Rp0,2 [MPa] 50
- Tensile strength Rm [MPa] 120
- Elongation A5 (Lo=5d0) [%] 25
- Test temperature [°C] 20
Welding positions
PA, PB, PC, PD, PE, PF