Stellite 6B welding rod, also known as filler wires, is a specialized alloy used in welding applications where resistance to wear, corrosion, and high temperatures is crucial. Stellite is a family of cobalt-based alloys that typically contain varying amounts of chromium, tungsten, and other elements to enhance their mechanical and thermal properties.
Stellite 6B, in particular, is renowned for its exceptional wear resistance and high-temperature strength. This makes it a preferred choice for welding and cladding applications in industries such as aerospace, petrochemical, and power generation. The alloy's composition imparts it with unique characteristics, including excellent hardness, toughness, and resistance to abrasion, making it suitable for harsh operating conditions.
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Welding with Stellite 6B rods involves using a welding process compatible with cobalt alloys, such as gas tungsten arc welding (GTAW) or plasma arc welding (PAW). These processes ensure precise control over the heat input, minimizing the risk of distortion or damage to the base material. Proper preheating and post-weld heat treatment may also be employed to optimize the mechanical properties of the welded joints.
The applications of Stellite 6B welding rods are diverse. They are commonly used in overlay welding, where a layer of Stellite is deposited onto a base material to enhance its resistance to wear and corrosion. This is particularly valuable in components like valves, pump parts, and cutting tools. Stellite 6B is also employed in the repair and maintenance of high-wear components in industrial machinery.
When selecting Stellite 6B welding rods, it is crucial to consider factors such as the base material, welding process, and specific operating conditions. The expertise of skilled welders and adherence to recommended welding procedures are essential to ensure the integrity and performance of the welded components.
AWS A 5.14
0.60 mm to 1.60 mm (0.025” to 0.062”)
Stellite 6B
1/16" (1.6 mm)
1.6-3.2mm
Filler Wire / Welding Rod
Brigh, Anneal
| STANDARD | WERKSTOFF NR. | UNS |
| Stellite 6B | - | R30016 |
| Grade | C | Mn | Si | P | S | Cr | Ni | Co | Mo | W | Fe |
| Stellite 6B | 0.90-1.40 | 0.50-2.00 | 0.20-2.00 | 0.04max | 0.03max | 28.0-32.0 | 3.00max | Bal | 1.50max | 3.50-5.50 | 3.0max |
| Ultimate Tensile Strength, ksi(Mpa) | 0.2% Offset Yield Strength, ksi(Mpa) | Elongation in 2" (50mm)% | Reduction in Area, % |
| 130(896) | 70(483) | 5 min | 7 min |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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