Home > Welding Wire > Cobalt Base Alloys CO25 Filler Wire
From the heart of Amman, Jordan, Reziq Weldingsupplies proudly manufactures and supplies high-performance welding materials trusted by industries across the region. Among our flagship products is the Cobalt Base Alloys CO25 Filler Wire, engineered for the most challenging environments. This premium wire is our answer to problems where standard materials fall short, providing exceptional resilience under extreme heat, wear, and corrosion. We are committed to delivering not just a product, but a reliable solution that ensures the longevity and integrity of your critical components.
| Classification | AWS A5.21, CO25 |
| Form | spools, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | DCEP / DCEN |
| Size | 0.76 mm ∞ *4.70xmm |
| AWS CO25 Filler Wires Application & uses |
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The CO25 filler wire is a cobalt-chromium-nickel-tungsten alloy known for its robust composition. It offers outstanding mechanical properties, including high strength retention at elevated temperatures up to 1800°F (980°C) and remarkable resistance to thermal fatigue and shock. This combination makes it exceptionally durable against deformation and cracking under stress. Its ability to maintain hardness and resist wear, even in red-hot conditions, sets it apart as a superior choice for protecting components subjected to intense operational demands.
| Co | Cr | W | C | Ni | Mo | Others | Hardness | Density | Melting Range |
| Bal. | 20 | 15 | 0.1 | 10 | < 1.0 | Fe, Si, Mn | 20 – 45 HRC | 8.31 g/cm3 | 1329 – 1410 ºC |
At Reziq Welding Supplies, we take pride in being one of Jordan’s trusted suppliers of high-quality welding consumables. Our expertise lies in Cobalt Base Alloys CO25 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.
This wire is indispensable for applications where failure is not an option. It is expertly used for overlaying and repairing components like exhaust valves in high-performance engines, hot forging dies, and turbine blades in the aerospace and power generation sectors. Industries reliant on heavy machinery, such as petrochemical and steel manufacturing, use it to extend the service life of parts exposed to severe abrasion, galling, and corrosion. Essentially, wherever extreme heat and wear conspire to destroy equipment, CO25 filler wire provides a vital layer of defense.
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