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Hajji Welding Supplies is a trusted manufacturer and supplier based in Tunisia, Tunis, specializing in high-quality Monel Filler Wire. With a strong commitment to excellence and precision, Hajji provides durable and reliable welding solutions for various industrial applications, including marine, chemical processing, and oil & gas sectors. Our Monel Filler Wires are engineered for superior corrosion resistance, strength, and performance in demanding environments. Supported by advanced manufacturing facilities and a skilled technical team, Hajji Welding Supplies ensures consistent quality, competitive pricing, and prompt delivery, making us a preferred partner for welding professionals across Tunis and beyond.
| Size Range | 0.60 mm to 1.60 mm (0.025” to 0.062”) |
| Diameter | 1/16″ (1.6 mm) |
| Materials | Monel |
| Product Type | Filler Wire |
| Grade | C | Mn | Si | S | Cu | Fe | Ni |
| Monel 400 | 0.30 max | 2.00 max | 0.50 max | 0.024 max | 28.00 – 34.00 | 2.50 max | 63.00 min |
| Monel K500 | 0.25 max | 1.5 max | 0.5 max | 0.010 max | 27.00 – 33.00 | 0.5 – 2 | 63.00 min |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Monel 400 | 8.8 g/cm3 | 1350 °C (2460 °F) | Psi – 80,000 , MPa – 550 | Psi – 35,000 , MPa – 240 | 40 % |
| Monel K500 | 8.44 g/cm3 | 1350 °C (2460 °F) | Psi – 160000 , MPa – 1100 | Psi – 115000 , MPa – 790 | 20 % |
Monel Filler Wire is primarily composed of Nickel (≈63%) and Copper (≈30%), with small additions of Iron, Manganese, Silicon, and Carbon for enhanced performance. This unique composition offers excellent corrosion resistance, especially in marine and chemical environments. Mechanically, it provides high tensile strength (around 550–620 MPa), good yield strength (240–310 MPa), and elongation of 30–40%, ensuring toughness and durability. Monel Filler Wire maintains its mechanical integrity even at elevated temperatures, making it ideal for critical welding applications in harsh industrial conditions.
At Hajji Welding Supplies, we take pride in being one of Tunis’s trusted suppliers of high-quality welding consumables. Our expertise lies in Monel Filler 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.
Monel Filler Wire is widely used in industries requiring exceptional corrosion resistance and strength. It is ideal for welding Monel alloys and joining dissimilar metals such as nickel-copper alloys, stainless steels, and carbon steels. Common applications include marine engineering, shipbuilding, offshore structures, chemical processing equipment, heat exchangers, pumps, and valves exposed to seawater and acidic environments. In the oil and gas industry, it is used for pipelines and refinery components. Monel Filler Wire’s excellent mechanical and anti-corrosive properties make it the preferred choice for aerospace, power generation, and desalination plants.
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