Cobalt Welding Wire Manufacturer and Supplier in Tunisia, Tunis
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Hajji Welding Supplies is a reliable manufacturer and a supplier located in Tunisia, Tunis, with a focus on producing top-quality cobalt welding wire products. For material applications that require both strength and heat and corrosion resistance, cobalt welding wire is a perfect choice for industrial use. Cobalt welding wires are often used in aerospace, power generation, petrochemical and tooling companies that work with materials and processes that endure extreme conditions. Hajji Welding Supplies has the latest manufacturing technology, direct quality controls and are innovative, making certain you receive consistent performance and reliability in their cobalt welding product line. Hajji Welding Supplies has earned a reputation as a partner of choice for cobalt welding wire from all industries in Tunis and offshore; safety, performance, quality, and reliability is our promise in your applications.
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Cobalt Welding Wire Specification
| Product Name | Cobalt wires |
| Material | 99.9% min cobalt |
| Size | Diameter 0.3mm min; |
| Technics | wire-drawing |
| Condition | Annealed |
| Application | chemical industry, Mechanical equipment, chemical engineering, military, heat exchanger, Condenser, electrode, power station, generating plant, generating station, electric power, electroplating, electroplating equipment, etc. |
Cobalt Welding Wire Chemical Composition
| C | Si | Mn | Cr | Mo | Other |
| 2.15 | 0.47 | 1.03 | 31.25 | – | W 12.72 Co Bal. |
Mechanical Properties of Cobalt Chromium Wire
| Symbol: Co | Atomic Number: 27 |
| Atomic Weight: 58.9332 | Density: 8.9 gm/cc |
| Melting Point: 1495 oC | Boiling Point: 2870 oC |
| Thermal Conductivity: 1.0 W/cm/K @ 298.2 K | Electrical Resistivity: 6.24 microhm-cm @ 20 oC |
| Electronegativity: 1.8 Paulings | Specific Heat: 0.109 Cal/g/K @ 25 oC |
| Heat of Vaporization: 93 K-cal/gm atom at 2870 oC | Heat of Fusion: 3.64 Cal/gm mole |
What is Cobalt Welding Wire?
Cobalt welding wire is mainly made with cobalt and includes alloying elements such as chromium, tungsten, nickel, and molybdenum to give added hardness, wear resistance, and high-temperature strength. Common grades include Stellite and Haynes groups of alloys. The wire has tensile strength ratings from 700–1,200 MPa and exhibits great toughness and strength even at elevated temperatures. It retains hardness and resists oxidation up to 1,100°C, offering unique performance conditions in extreme operating environments. These mechanical properties make cobalt welding wire recommended for applications requiring durability, heat resistance, and protection against corrosion in critical industrial processes.
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Leading Industrial Supplier of Cobalt Welding Wire 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 Cobalt 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.
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Types of Cobalt Welding Wire
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Cobalt Welding Wire Uses
Cobalt welding wire is commonly utilized in industries that require excellent wear, corrosion, and heat resistance. It is an important material in aerospace and power generation applications, in turbines blades, combustion chambers, and exhaust components that experience high temperature exposure. Likewise, cobalt welding wire is utilized in the petrochemical and oil sectors for valves, pump sleeves, and sealing surfaces with exposure to erosion and corrosion. The tooling and manufacturing industries utilize cobalt welding wire for hardfacing processes to extend the service life of cutting tools and dies. With remarkable mechanical strength properties and thermal stability, cobalt welding wire performs reliably in demanding high-stress, high-temperature service environments.
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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