Classification
- EN ISO 18273 S Al 4043 (AlSi5(A))
- Material No. 3.2245
- AWS A 5-10 ER 4043
- JIS Z3232 A4043
Wire Dimensions Available
- MIG Welding Wires [mm] 0,8; 1,0; 1,2; 1,6; 2,0; 2,4
- TIG Welding Rods [mm] 1,6; 2,0; 2,4; 3,2; 4,0; 5,0
Product Availability
- MIG Spools 0.5kg (100mm), 2kg (200mm), 6kg (S300mm), 7kg (B300/BS300), 18kg (400mm), 40kg (400mm) - Vacuum packaging available.
- MIG Welding Wire Bulk drums 80kg and 140kg
- TIG Welding Rods 2.5Kg, 5Kg and 10Kg Packs, length 1000mm
Vacuum foil packaged for protection against condensation which causes porosity in the weld deposit.
MasterWeld MW-4043 aluminium welding wire is alloyed with 5% silicon added for excellent flow characteristics and fluid weld pool, attractive bright cosmetic appearance and a lower melting point. It is particularly used to prevent solidification cracks in connection with high dilution and clamp conditions.
Designed for welding of 6XXX grade aluminium alloys.
4043 welding wire should not be used if you are considering the best colour match after post weld anodizing, as this filler alloy will typically turn dark grey in colour after the anodizing process.
Typical composition in %
- Si 4,50 - 5,50
- Fe < 0,60
- Cu < 0,30
- Mn < 0,15
- Mg < 0,20
- Zn < 0,10
- Be < 0,0003
- Ti < 0,15
- Others < 0,05
- Others total < 0,15
Physical properties of pure weld metal (Approx. values)
- 0,2 % yield strength Rp0,2 [MPa] 40
- Tensile strength Rm [MPa] 120
- Elongation A5 (Lo=5d0) [%] 8
- Test temperature [°C] 20
Shielding gas
- I1, I2, I3 (Argon, Helium or Argon/Helium-mixtures)
- Polarity
- MIG =+, WIG ~
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MW-4043 AlSi5 Aluminium Welding Wire
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