Stellite 6 is a widely used cobalt-based alloy that is known for its exceptional wear and corrosion resistance, high temperature strength, and excellent machinability. This alloy contains cobalt, chromium, tungsten, and a small amount of carbon, which together contribute to its unique properties. Stellite 6 welding rods or filler wires are specifically designed for welding and joining Stellite 6 components, providing a reliable and durable bond.
One of the key applications of Stellite 6 welding rods is in the repair and maintenance of components subjected to severe wear conditions. These components can be found in industries such as aerospace, oil and gas, power generation, and chemical processing. Examples include valve seats, cutting tools, pump components, and extrusion dies. The use of Stellite 6 welding rods allows for the restoration of these parts, extending their service life and reducing downtime.
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The welding process using Stellite 6 filler wires requires expertise due to the unique characteristics of the alloy. The cobalt-chromium matrix of Stellite 6 is prone to cracking during rapid cooling, so proper preheating and post-weld heat treatment are crucial to minimize the risk of cracking and ensure the integrity of the welded joint. Welders need to carefully control parameters such as heat input, interpass temperature, and cooling rate to achieve optimal results.
Stellite 6 welding rods are available in various diameters to accommodate different welding applications. The choice of filler wire size depends on the thickness of the base metal and the specific welding conditions. Typically, the welding process is performed using techniques such as gas tungsten arc welding (GTAW) or shielded metal arc welding (SMAW).
AWS A 5.14
0.60 mm to 1.60 mm (0.025” to 0.062”)
Stellite 6
1/16" (1.6 mm)
1.6-3.2mm
Filler Wire / Welding Rod
Brigh, Anneal
STANDARD | WERKSTOFF NR. | UNS |
Stellite 6 | - | R3006 |
Grade | C | Mn | Si | Ni | Cr | Fe | W | Mo |
Stellite 6 | .90 – 1.40 | 2.0 max | 2.0 max | 3.0 max | 28.0 – 32.0 | 3.0 max | 3.50 -5.50 | 1.50 max |
Density | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.69 g/cm3 / 0.314 lb/in3 | Psi – 1195 , Ksi – 173 | Psi – 1050 , Ksi – 152 | 1 % |
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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