MasterWeld MW-1070 is a 99.7% aluminium content welding wire with excellent flow characteristics and narrow melting range. Suitable for electrical cables and thermal components where special precautions are required to prevent hot-cracking and porosity.
Physical properties (Approx. values)
- Electrical conductivity [S*m/mm²] min. 34-36
- Heat conductivity at 20° C [W/(m*K)] 210-230
- Linear heat extension coefficient (20-100°C) [1/K] 23,5 * 10-6
Physical properties of pure weld metal (Approx. values)
- 0,2 % yield strength Rp0,2 [MPa] 20
- Tensile strength Rm [MPa] 65
- Elongation A5 (Lo=5d0) [%] 35
- Test temperature [°C] 20
Typical composition in %
- Si < 0,20
- Fe < 0,25
- Cu < 0,04
- Mn < 0,03
- Mg < 0,03
- Zn < 0,04
- Be < 0,0003
- Ti < 0,03
- Others < 0,03
- Al min. 99,70