From the heart of Addis Ababa, Tariku Metals stands as a dedicated manufacturer and supplier, committed to fueling Ethiopia’s industrial growth with materials of uncompromising quality. We take pride in offering Cobalt Alloy 6B bar and rod, a premium material engineered to excel in the most demanding environments. Our mission is to provide local industries with reliable, high-performance solutions, backed by our deep understanding of the regional market and a firm commitment to supporting the nation’s ambitious engineering and construction projects.
Cobalt Alloy 6B is renowned for its exceptional combination of high strength and impressive surface hardness, which it maintains even when subjected to extreme temperatures. Its composition is primarily cobalt, fortified with significant chromium for outstanding resistance to wear and corrosion, along with tungsten for enhanced strength. This unique blend results in a material that is not only tough and durable but also highly resistant to seizing and galling, making it a reliable choice where other metals might fail.
| 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 properties of this alloy make it indispensable for a variety of challenging applications. It is commonly used for manufacturing critical components like valve seats, pump shafts, and wear pads in industries ranging from chemical processing to power generation. You will also find it in aircraft engines and medical devices, wherever parts must endure constant friction, high stress, and corrosive atmospheres without compromising their integrity or performance. Essentially, it is the go-to material for parts that simply cannot afford to wear out.






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