Aluminum welding wire 7075 TIG
7075 aluminum welding wire is a high-strength filler material widely used for TIG welding of high-performance aluminum structures. It is commonly supplied in wire diameters of 1.2, 1.6, 2.0, 2.4, 3.0, and 4.0 mm, and available in packaging formats such as D300 (9 kg) and D270 (7 kg) spools, as well as straight bars, coil wire, and bucket packaging options.
7075 Aluminum Alloy Chemical Composition
| Element | Content |
|---|---|
| Al | Balance |
| Zn | 5.1 – 6.1% |
| Mg | 2.1 – 2.9% |
| Cu | 1.2 – 2.0% |
| Cr | 0.18 – 0.28% |
| Ti | Small amount |
| Fe | Small amount |
| Si | Small amount |
Aluminum welding wire 7075 Standards
GB/T 10858-2008
GB/T3190-1996
AWS A5.10:1999
7075 Aluminum Welding Wire Sizes:
Diameter 1.2、1.6、2.0、2.4、3.0、4.0(mm)
Aluminum welding wire 7075 Wire Reel
* D300 (9 kg)
* D270 (7 kg)
7075 Aluminum welding wire Packaging Types
* Spool wire,
* straight bars,
* coil wire,
* bucket packaging
7075 Welding Wire Features
Very high strength potential
Limited weldability
Susceptible to hot cracking
High distortion tendency during welding
Requires strict heat input control
Sensitive to welding parameters
Excellent final mechanical performance after proper processing
7075 Welding Wire Applications
Aerospace structural components,
Military-grade equipment,
High-stress automotive parts.
Advanced bicycle frames and load-bearing mechanical structures
