Reziq Weldingsupplies, based in the heart of Amman, Jordan, is your local partner for high-quality welding materials, serving both industrial workshops and major projects across the region. We take pride in manufacturing and supplying dependable products, including the versatile AWS Class ERCuSi-A, available for both MIG and TIG processes. Our commitment is to deliver consistent performance and reliable results, supporting the skilled tradespeople and industries that form the backbone of our community. You can count on our team for not just supplies, but for expert guidance tailored to your specific needs.
| Classification | AWS A5.7, ERCuSi-A |
| 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 ERCuSi-A MIG & TIG Filler Metal Application & uses |
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The ERCuSi-A filler metal, often known as silicon bronze, has a beautiful balance of strength and workability. Its composition is primarily copper alloyed with around 3% silicon, which gives it its characteristic strength and fluidity, along with smaller amounts of other elements. Mechanically, it offers good tensile strength and impressive ductility, meaning it can flex without cracking. It’s also known for having a lower melting point than pure copper, which makes the welding process smoother and more forgiving for the welder, resulting in clean, strong joints.
| Zn | Sn | Mn | Fe | Si | Al | Pb |
Other |
| 1.0 | 1.0 | 1.5 | 0.50 | 2.8-4.0 | 0.01 | 0.02 |
0.50 |
| Tensile Strength, kpsi: | 50 min |
| Elongation in 2” (%): | 65% |
| Brinell Hardness | 80-100 |
| Diameter | Process | Volt |
Amps | GAS | |
| in | (mm) | ||||
| 1/16 | (1.6) | GTAW | 70-120 | 70-120 | ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode |
| 3/32 | (2.4) | GTAW | 120-160 | 120-160 | ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode |
| 1/8 | (3.2) | GTAW | 170-230 | 170-230 | ACHF using 100% Argon or Helium 2% Thoriated, Ceriated or Lanthanum Tungsten Electrode |
At Reziq Welding Supplies, we take pride in being one of Jordan’s trusted suppliers of high-quality welding consumables. Our expertise lies in AWS Class ERCuSi-A MIG & TIG, 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.
This alloy is a true problem-solver in the workshop, especially for joining dissimilar metals. It’s the preferred choice for creating strong bonds between copper alloys and steel, which is common in architectural metalwork, marine fittings, and various industrial equipment. You’ll often see it used for brazing and welding silicon bronze castings, and it’s excellent for applying wear-resistant surfaces to steel parts. Its smooth flow and minimal spatter make it a favorite for projects demanding both strength and a high-quality finish, such as sculptures, decorative gates, and critical plumbing components.
The Reziq 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.