Nestled in the industrial heart of Safat, Kuwait, Nimish Metal has built a reputation for supplying exceptional materials to demanding industries. We are proud to be your trusted source for Cobalt Alloy 6B bars and rods, a premium material chosen for its remarkable resilience. This alloy stands up to some of the harshest working conditions, offering a unique combination of strength and resistance that ensures longevity and reliability in your most critical applications, providing a solid foundation for innovation and robust engineering.
Cobalt Alloy 6B is primarily composed of cobalt, chromium, and tungsten, creating a solid solution-strengthened metal known for its impressive retention of hardness at elevated temperatures. It delivers outstanding wear resistance, particularly against galling and erosion, and maintains good mechanical properties even under stress. This makes it significantly superior to standard steel alloys in high-heat or high-friction scenarios, where its strength and durability truly shine.
| 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 unique properties of Cobalt Alloy 6B bars and rods make them indispensable across several tough industries. They are frequently machined into critical components like valve trim for high-pressure oil and gas systems, wear pads in aerospace applications, and cutting tools for machining other metals. You’ll also find this alloy in medical instruments, pump shafts, and engine components, wherever extreme abrasion, high temperatures, or constant friction would quickly degrade lesser materials, ensuring performance and safety.






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