Hajji Welding Supplies, based in Tunis, Tunisia, is a trusted name in the manufacturing and supply of top-notch aluminum welding consumables for various industrial and fabrication needs. They offer AWS Class ER4043 welding wire, which is crafted to ensure smooth arc performance, a great-looking weld, and reliable joint integrity. Produced under rigorous quality control and in line with international standards, the ER4043 wire is perfect for both MIG and TIG welding processes. Hajji Welding Supplies caters to the automotive, marine, construction, and general engineering sectors, providing consistent products backed by technical know-how and a dependable supply chain.
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AWS Class ER4043 Specification
| Classification | AWS A5.10, ER4043 |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER4043 MIG & TIG Filler Metal Application & uses |
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What is AWS Class ER4043?
AWS Class ER4043 is an aluminum-silicon alloy welding wire that contains about 5% silicon. This blend enhances fluidity, minimizes hot cracking, and results in smooth, even weld beads. The weld metal produced has moderate tensile strength, good ductility, and impressive corrosion resistance. ER4043 boasts stable arc characteristics, low sensitivity to weld porosity, and effective wetting action on the base metal. It’s an excellent choice for welding a variety of aluminum alloys while ensuring reliable mechanical performance.
AWS Class ER4043 Chemical Composition
Si | Fe | Cu | Mn | Mg | Zn | Ti | OEE | OET | Al |
4.5- | 0.8 | 0.30 | 0.05 | 0.05 | 0.10 | 0.20 | 0.05 | 0.15 | Bal |
AWS Class ER4043 Mechanical Properties
As required by AWS 5.10 | Tensile Strength MPa (ksi) | Yield Strength MPa (ksi) | Elongation |
AWS | Not Specified | ||
Typical Results – As welded | 190 (27) | 125 (18) | 8 |
Equivalent AWS Class ER4043
Diameter | Process | Volt | Amps | Shielding Gas | |
in | (mm) | ||||
.035 | 0.9 | GMAW | 22-28 | 100-175 | Spray Transfer |
.045 | 1.2 | GMAW | 22-28 | 120-210 | |
1/16 | 1.6 | GMAW | 24-30 | 160-300 | |
.035 | 0.9 | GMAW | 17-19 | 50-150 | Short Circuiting Transfer |
.045 | 1.2 | GMAW | 16-20 | 60-175 | |
1/16 | 1.6 | GMAW | 16-20 | 60-175 | |
1/16 | 1.6 | GTAW |
| 60-100 | 100% Argon |
3/32 | 2.4 | GTAW |
| 125-160 | 100% Argon |
1/8 | 3.2 | GTAW |
| 180-240 | 100% Argon |
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Leading Industrial Supplier of AWS Class ER4043 For Welding Solutions in Tunis
At Hajji Welding Supplies, we take pride in being one of Tunis’s trusted suppliers of high-quality welding consumables. Our expertise lies in AWS Class ER4043, engineered for precision, durability, and resistance to corrosion. With a strong commitment to quality and customer satisfaction, we provide welding solutions that support industries across construction, energy, shipbuilding, and manufacturing.
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Types of AWS Class ER4043
AWS Class ER4043 Uses
AWS Class ER4043 welding wire is commonly used for MIG and TIG welding of aluminum alloys, particularly the 6xxx series and some cast aluminum grades. You’ll find it in a range of applications, from automotive parts and marine structures to storage tanks, heat exchangers, frames, and general aluminum fabrication. It’s especially favored for repair welding of aluminum castings due to its outstanding crack resistance and smooth finish. ER4043 is widely utilized in construction, transportation, HVAC, and maintenance industries, where ease of welding, appealing aesthetics, and corrosion resistance are key factors.
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Industry We Serve
The Hajji Industries Server is built to deliver reliability, speed, and scalability for mission-critical operations. Designed for modern industrial environments, it ensures seamless performance in manufacturing, engineering, energy, and automation sectors.
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