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Hajji Welding Supplies, located in Tunis, Tunisia, stands out as a top manufacturer and supplier of high-quality welding materials, particularly known for their premium zirconium welding wires. With a reputation built on precision and reliability, Hajji Welding Supplies serves a variety of industrial sectors that demand exceptional welding performance. By merging cutting-edge manufacturing techniques with rigorous quality control, the company guarantees that each zirconium welding wire adheres to international standards. Their dedication to innovation and customer satisfaction has made Hajji Welding Supplies a trusted ally for industries in search of durable, corrosion-resistant, and high-performance welding solutions, not just in Tunisia but beyond.
| Weight in meter | ≈1.31g/m |
| Quantity | 1meter |
| Odor | Odorless |
| Physical Form | Wires, ≈1.31g/meter |
| Purity in Percent | 99.2% |
| Chemical Material | Zr wires, 0.5milimeter (0.020 inch) dia., Annealed |
| Assay | (metals basis excluding Hf) Hf 4.5% max |
| Zirconium Material Chart | ERZr2, ERZr4, ERZr3, high purity zirconium |
| Size Chart | 0.3-6.0milimeter diameter x L |
| Specification | ASTM B550, 550M-07, AWS A5.24 |
| Grade Chart | Sn | H | N | Zr+Hf | Hf | Fe+Cr | C | O | Nb |
| R60702/ERZr2 | – | <0.005% | <0.015% | 99.2% | <4.5% | <0.20% | <0.030% | <0.15% | – |
| R60704/ERZr3 | 97.5% | <4.5% | 0.2-0.4% | 1.0-2.0% | <0.005% | <0.015% | <0.030% | <0.16% | – |
| R60705/ERZr4 | 95.5% | <4.5% | <0.2% | – | <0.005% | <0.015% | <0.050% | <0.16% | 2.0-3.0% |
| DESIGNATION | TENSILE STRENGTH | YIELD STRENGTH 2% OFFSET | PERCENT ELONGATION IN 2 in. IN 50 mm | ||
|---|---|---|---|---|---|
| KSI* | MPa** | KSI* | MPa** | ||
| Annealed (A) | 35 | 241 | 10 | 68 | 55 |
| Half Hard (1/2H) | 62 | 427 | 53 | 365 | 11 |
| Hard (H) | 68 | 468 | 60 | 413 | 10 |
| Extra Hard (XH) | 70 | 482 | 62 | 427 | 10.5 |
| Spring | 72 | 496 | 63 | 434 | 11 |
The zirconium welding wire produced by Hajji Welding Supplies is made up of high-purity zirconium, often surpassing 99%, with only a few alloying elements added to boost strength and corrosion resistance. This careful composition results in excellent ductility, a high melting point, and outstanding mechanical stability even in extreme conditions. The wires showcase remarkable tensile strength, good elongation, and consistent weldability, making them perfect for critical applications. Their chemical purity and controlled microstructure help resist oxidation, cracking, and contamination, ensuring that welds remain high-quality and long-lasting in demanding industrial settings.
At Hajji Welding Supplies, we take pride in being one of Tunis’s trusted suppliers of high-quality welding consumables. Our expertise lies in Zirconium Welding Wire, 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.
Hajji Welding Supplies’ zirconium welding wire is extensively utilized in industries that require exceptional corrosion resistance and high-temperature performance. It’s particularly well-suited for chemical processing, nuclear, aerospace, and marine applications where exposure to harsh environments is a regular occurrence. These wires are perfect for joining zirconium alloys, stainless steel, and other reactive metals. Moreover, they find applications in the manufacturing of heat exchangers, reactors, and specialized equipment that demand reliable, contamination-free welds.
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.