Rupal Metals stands out as a leading manufacturer and supplier of Cobalt Alloy 6B Bars and Rods, providing top-notch wear-resistant alloys right from Delhi, India. This alloy is celebrated for its remarkable hardness, resistance to corrosion, and stability at high temperatures, making it perfect for tough environments. Rupal Metals offers precisely engineered Cobalt 6B bars and rods tailored for critical sectors like aerospace, petrochemical, nuclear, and defense. With a strong commitment to meeting international quality standards and specific customer needs, Rupal Metals delivers Alloy 6B in various sizes and finishes, ensuring dependable performance in applications that require extreme durability, galling resistance, and thermal strength.
Cobalt Alloy 6B is a robust cobalt-chromium-tungsten alloy, typically made up of 60% cobalt, 28–32% chromium, 3–4% tungsten, and 1.5% carbon, along with trace amounts of iron and other elements. It boasts impressive hardness (Rockwell C 35–43), high strength, and outstanding wear and galling resistance, even without heat treatment. This alloy retains its structural integrity and corrosion resistance at elevated temperatures, reaching up to 870°C (1600°F). It also stands strong against cavitation, erosion, and chemical attacks, making it a preferred choice for demanding industrial and mechanical settings that require long-lasting, low-maintenance components.
| 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.
Rupal Metals’ Cobalt Alloy 6B Bars and Rods are perfect for applications where severe wear, heat, corrosion, and galling are major concerns. You’ll find them commonly used in valve components, pump sleeves, cutting tools, bearing surfaces, engine parts, and surgical instruments. This alloy is highly sought after in industries like aerospace, power generation, marine, petrochemical, and nuclear, especially for its ability to maintain performance under extreme conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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