Aluminum welding wire 4043 4047
4043 and 4047 are both aluminum-silicon alloy welding wires, commonly used in aluminum welding applications, especially for welding aluminum to itself or joining different aluminum alloys. These wires offer excellent welding characteristics, including good arc stability, low spatter, and smooth weld bead formation.
Aluminum welding wire 4043 4047 Standards
GB/T 10858-2008
GB/T3190-1996
AWS A5.10:1999
Comparison of 4043 vs 4047 Aluminum Welding Wire
Feature | 4043 | 4047 |
Silicon Content | 4.5-6.0% | 11.5-13.5% |
Wire Diameters | 0.8、1.0、1.2、1.6、2.0、2.4、3.0、3.2、4.0、5.0、6.0(mm) | 1.2、1.6、2.0、2.4、3.0、3.2、4.0、5.0(mm) |
Welding Applications | Automotive, aerospace, general fabrication | Automotive, aerospace, marine, general fabrication |
Fluidity | Good (but not as fluid as 4047) | Excellent (high silicon content) |
Melting Point | Higher than 4047 (due to lower silicon) | Lower melting point due to high silicon content |
Aluminum welding wire 4043 4047 Wire Reel
* D300 (9 kg)
* D270 (7 kg)
* D200 (2 kg)
* D100 (0.5 kg)
Aluminum welding wire 4043 4047 Packaging Types
* Spool wire,
* straight bars,
* coil wire,
* bucket packaging
Aluminum Welding Wire 4047 Features
· Silicon Content: 12% Silicon
· Good Fluidity: The high silicon content enhances the flowability of the weld pool, resulting in smoother and more uniform welds.
· Low Welding Temperature: Due to the high silicon content, the wire has a lower melting point, which allows for welding with less heat input and minimizes the risk of distortion.
Aluminum Welding Wire 4047 Recommended Welding Method
· Brazing (commonly known as oxy-fuel welding or flame welding), using 201 aluminum brazing flux powder.
Aluminum Welding Wire 4043 Features
· Silicon Content: 5% Silicon
· Good Fluidity: The 5% silicon content provides good flowability of the weld pool, resulting in smooth, uniform welds.
· High Versatility: 4043 has broad applicability for various aluminum alloys and welding situations.
· Heat Crack Resistance: It exhibits resistance to hot cracking, making it ideal for welding heat-sensitive aluminum alloys.
Aluminum Welding Wire 4043 Recommended Welding Method
· AC TIG Welding, with pure argon gas shielding.
· Prior to welding, it is essential to clean the workpiece welding joint. The workpieces, welding wire, and the welding area should be kept free of moisture and contamination from air or moisture.
Applications of Aluminum welding wire 4043 4047
· Automotive: Frequently used for welding aluminum radiators, cylinder heads, and engine components.
· Aerospace: Suitable for welding heat exchangers, aircraft fuselage parts, and other aluminum aerospace components.
· Marine Industry: Excellent for marine aluminum welding, including boat hulls and marine equipment.
· General Fabrication: Used for welding aluminum products in structural and transportation applications.
