Based in the heart of Kinshasa, Congo, a region central to the global cobalt supply chain, Sadiki Metals stands as a dedicated manufacturer and supplier of high-performance materials. We take pride in transforming local resources into world-class products, specializing in the production of Cobalt Alloy 6b bar and rod. Our commitment is to provide industries both within the DRC and internationally with reliable, high-strength components that meet the most demanding engineering challenges, supporting progress from the ground up.
Cobalt Alloy 6b is renowned for its exceptional strength and ability to retain that strength even at extremely high temperatures, up to 1800°F. Its composition is primarily cobalt, fortified with significant chromium for outstanding resistance to oxidation and corrosion, along with tungsten for wear resistance. This combination results in a material that is not only incredibly hard but also maintains its properties under intense thermal stress, making it a superior choice for severe service conditions.
| Cobalt Chromium Molybdenum Alloy | CoCrMo |
|---|---|
| AMS | AMS 5788 |
| Grade | Cobalt Alloy Round Bars |
| Dimensions | DIN, ASME, AISI, BS, ASTM, EN, JIS, |
| Length | 1 to 6 Meters, Custom Cut Lengths |
| Manufacturing all types of Cobalt Alloy Rods | Forging, Square, Round, Ingot, Hex(A/F), Rectangle, Billet, |
| Other forms available | Seamless Tube, Pipe, Rods, Bars, Fittings, Flanges, Plate, Strip, Sheet, Plate, Coil, wire etc. |
| Grade | C | Mn | P | S | Si | Ni | Cr | Fe | W | Mo |
| Cobalt 6B | .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 |
| CONDITION | TENSILE STRENGTH | YEILD STRENGTH | ELOGNATION |
|---|---|---|---|
| ANNEALED |
80 (551) |
35 (241) |
30 |
| STANDARD | WERKSTOFF NR. | UNS |
| Cobalt 6B | – | R30006 |
Welding processes suitable for Cobalt Alloy 6B Bar include TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and resistance welding. Preheating and post-weld heat treatment are often required for optimal results.
Yes, Cobalt Alloy 6B Bar can be welded, but it requires careful control of heat and filler material to avoid cracking or weakening. Preheating and post-weld heat treatment are often recommended.
Cobalt Alloy 6B rods are available in various sizes, typically ranging from 0.125" to 6" in diameter. Common finishes include cold-drawn, hot-rolled, and polished for enhanced surface quality.
The remarkable durability of Cobalt Alloy 6b makes it indispensable in applications where failure is not an option. You will find it used in critical components like high-temperature valves and seats in engines, wear-facing for gas turbine blades, and hard-facing applications for industrial machinery subjected to intense abrasion. It’s also essential for manufacturing high-speed cutting tools and dies, proving its value anywhere extreme hardness and heat resistance are paramount for safety, efficiency, and longevity.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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