From the heart of Hamilton, New Zealand, Hemi Metals blends local dedication with global expertise as a trusted manufacturer and supplier of high-performance materials. We take pride in offering Cobalt Alloy 6b Bar and Rod, a product line designed for the most demanding industrial challenges. Our commitment isn’t just about supplying metal; it’s about providing reliable, durable solutions that our partners can count on to keep their own operations running smoothly and efficiently, day in and day out.
Cobalt Alloy 6b is engineered to perform under extreme pressure and temperature. Its composition is primarily cobalt, fortified with significant chromium and tungsten, which gives it a remarkable resistance to wear, corrosion, and heat. This alloy maintains impressive hardness and tensile strength even when exposed to scorching temperatures up to 1500°F (815°C). Essentially, it’s a material that refuses to soften or degrade, making it a cornerstone for applications where failure is not an option.
| 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.
You’ll typically find this robust material hard at work in critical environments. Cobalt Alloy 6b Bar and Rod are essential for components like high-temperature valves, pump shafts, and steam turbine blades where relentless wear is a constant factor. The medical field also relies on its biocompatibility and strength for surgical instruments and prosthetic joints. From the intense heat of aerospace engines to the precise demands of chemical processing equipment, this alloy provides the unwavering reliability that keeps essential industries moving forward.






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