4043 aluminum alloy welding wire rod is a common aluminum alloy welding material suitable for TIG (tungsten arc welding) and MIG (metal inert gas) welding processes. For a broader overview of filler metal grades and welding processes, explore Chalco's aluminum welding wire range.
It is mainly used for welding aluminum alloys, such as 6061, 6063, 5083, 5356, etc. Especially for the aluminum-silicon composition of these alloys, 4043 welding wire performs well.
4043 welding wire produces a small amount of impurities and gases during the welding process, suitable for welding applications, industrial and commercial projects with less stringent requirements.
This welding material is also considered for compatible aluminum alloy repair and fabrication. For buyers seeking finished welding filler metal rather than wire rod, the ER4043 aluminum welding wire page provides additional product and selection information.
4047 aluminum alloy welding wire rod is another material used for welding aluminum alloys and is also suitable for TIG and MIG welding processes.
It is mainly used for welding aluminum alloys with high silicon content, such as 40 series and 43 series, because these aluminum alloys have a higher content of silicon, and 4047 welding wire can provide better welding performance.
4047 welding wire produces less impurities and gases during welding than 4043 welding wire, so it is more suitable in some demanding applications.
4047 aluminum alloy wire rod may be considered for compatible high-silicon filler metal applications, subject to the required product form and processing conditions. For finished filler metal specifications and welding applications, see ER4047 aluminum welding wire.
4043 4047 O H18 H12 H14 aluminum wire for welding produced by CHALCO is supplied to SUKROBORONPROM, ASELSAN HEAVY INDUSTRIES TAXILA, Raytheon Company, SF Engineering and other world-renowned military equipment manufacturers.
Aluminum alloy wire rod for welding specification
| Aluminum alloy | 4043 4047 |
| Temper | O H18 H12 H14 |
| Production standards | GB/T 3195-202X/AWS A5.10/A5.10M/EN ISO 18273: 2004 |
| Thickness (mm) | 0.8mm-15.0mm |
| Length (mm) | Coil |
| Surface Quality | No cracks, no burrs, no peeling, no bubbles, no bumps, no dents on the surface, |
| Remark | No scratches, no triangular mouth, no metal press-in, non-metal press-in and |
4043 4047 aluminum alloy wire rod for welding chemical composition
| Elements | Composition % | |
| 4043 | 4047 | |
| (Si) | 4.5% - 6.0% | 11.0% - 13.0% |
| (Fe) | ≤ 0.8% | ≤ 0.8% |
| (Cu) | ≤ 0.3% | ≤ 0.3% |
| (Mn) | ≤ 0.05% | ≤ 0.15% |
| (Mn+Cr+Mg) | ≤ 0.05% | ≤ 0.25% |
| (Zn) | ≤ 0.1% | ≤ 0.10% |
| (Ti) | ≤ 0.2% | ≤ 0.20% |
| (Li) | ≤ 0.05% | ≤ 0.10% |
| other elements | ≤ 0.05% each | ≤ 0.05% each |
4043 4047 aluminum alloy wire rod mechanical properties
| Alloy | Tensile Strength Rm Mpa | Yield Strength Rp0.2 Mpa | Elongation A5 |
| 4047 | 150-200MPa | 55-90 MPa | 25-35% |
| 4043 | 125-180 MPa | 60-75 MPa | 12-30% |
4043 4047 aluminum alloy wire rod thickness tolerances
| Diameter | Size tolerance | |||
| A | B | C | D | |
| ≤0.80 |
＋0.01mm -0.04mm |
±0.015 | ±0.02 | ±0.03 |
| ＞0.80-1.60 | ±0.025 | |||
| ＞1.60-4.0 | ±0.040 | ±0.03 | ±0.04 | |
| ＞4.0-6.0 | ±0.04 | ±0.05 | ||
| ＞6.0-10.0 | - | ±0.05 | ±0.07 | |
| Applies only to wire supplied in reels, typically welding wire. | ||||
Application field of 4043 4047 aluminum welding wire rod
Welding of electronic components: 4043 and 4047 aluminum welding wires are widely used in the electronics industry, especially for connecting high-silicon-content aluminum alloy radiators, electronic housings, heat conduction plates and other electronic components. It provides good solder ability and heat transfer characteristics.
Automobile engine and heat dissipation system: in automobile manufacturing and maintenance, 4043 4047 aluminum welding wire is often used to connect automobile engine radiators, water tanks, condensers and other components. These parts are usually made of aluminum alloys with high silicon content and need to have excellent corrosion resistance and thermal conductivity.
Welding of electronic components: 4043 and 4047 aluminum welding wires are widely used in the electronics industry, especially for connecting high-silicon-content aluminum alloy radiators, electronic housings, heat conduction plates and other electronic components. It provides good solder ability and heat transfer characteristics.
Automobile engine and heat dissipation system: in automobile manufacturing and maintenance, 4043 4047 aluminum welding wire is often used to connect automobile engine radiators, water tanks, condensers and other components. These parts are usually made of aluminum alloys with high silicon content and need to have excellent corrosion resistance and thermal conductivity.
Aerospace equipment: in the aerospace field, 4043 and 4047 aluminum welding wires are usually used to weld aluminum alloy parts with high silicon content, such as engine casings, turbine blades, heat conduction plates, etc. It is widely used in the aerospace field because these parts have high requirements for high temperature and high strength.
High temperature application: since 4043 and 4047 aluminum welding wire has a high silicon content, it can maintain good stability and heat resistance in high temperature environments. Therefore, it is often used in some high-temperature applications, such as high-temperature equipment and high-temperature industrial furnaces.
Power electronic equipment: 4043 and 4047 aluminum alloy welding wire is suitable for connecting aluminum alloy radiators and heat conduction devices in power electronic equipment to provide efficient heat dissipation performance.
In general, 4043 and 4047 aluminum alloy welding wires are suitable for welding applications with special requirements for aluminum alloys with high silicon content, especially where good heat dissipation performance and high temperature stability are required. It is widely used in electronics industry, automobile manufacturing, aerospace and some other special industrial fields. For specific welding projects, please refer to specific welding needs and material requirements.
Matters needing attention when purchasing 4043 4047 aluminum alloy wire
Confirm welding material requirements: determine the specific welding project you want to carry out and the required welding material specifications. Different welding tasks may require different diameters, forms and alloy types of wire or aluminum wire.
Brand and supplier reputation: choose well-known brands and reputable suppliers to ensure product quality and reliable performance. High-quality brands usually follow standard specifications, have strict production processes, and provide technical support and after-sales service.
Consult the technical data sheet: know the detailed technical data of welding wire or aluminum wire, including chemical composition, mechanical properties, welding application range, etc. Compare different makes and models to find the specifications that best meet your needs.
For customers evaluating different aluminum welding filler alloys, the ER4043 vs ER5356 welding wire comparison provides additional information on filler metal selection and application considerations. Finished welding wire specifications should be distinguished from wire rod supply requirements.
Certification and quality standards: ensure that selected products meet international standards and certification requirements. For example, welding wire may need to comply with relevant welding standards such as AWS, ISO, etc.
Storage conditions: confirm the storage conditions of welding wire or aluminum wire, and avoid purchasing products that have been damp or damaged to maintain the quality of welding materials.
Price and performance balance: not only should price be considered, but also combine it with product performance and quality. Low-priced products may mean unstable quality, which may have an impact on welding quality.
Consult professionals: if you have any questions about product selection and application, it is recommended to consult professional welding engineers or experts in related fields to obtain professional advice and guidance.
Batch consistency: if you need to buy a large amount of welding wire or aluminum wire, please ensure the consistency between different batches to avoid quality fluctuations during the welding process.
To sum up, the purchase of 4043 and 4047 aluminum alloy welding wire and aluminum wire requires careful comparison and comprehensive consideration of multiple factors. Make sure the selected product can meet your welding requirements, and buy from a reliable supplier to ensure welding quality and process stability.
Chalco can review 4043/4047 aluminum welding wire rod requirements according to alloy, temper, diameter, coil form, quantity, and applicable specification. Customers sourcing additional filler metal or joining materials can also explore our aluminum welding and brazing materials range.
Related Aluminum Wire and Brazing Products
These products cover broader aluminum wire supply and finished Al-Si brazing forms. They are distinct from 4043/4047 welding wire rod; confirm the required alloy, product form, and joining process before ordering.
