L605 Cobalt Alloy Hex Bars Manufacturer, Stockist and Exporter
L605 Cobalt Alloy Hex Bars are known for their exceptional combination of high strength, heat resistance, and corrosion resistance. This alloy, also identified as UNS R30605, is widely used in industries that demand reliable performance under extreme temperatures. Due to its unique cobalt-chromium-nickel composition, it maintains mechanical properties even at elevated service conditions. The hexagonal shape provides better grip, machining accuracy, and structural stability for precision components. These bars are commonly selected for aerospace engine parts, turbine blades, and industrial furnace equipment. Their stability against oxidation makes them suitable for long-term high-temperature exposure. With consistent dimensional accuracy, they deliver dependable performance across various engineering applications.
Industries prefer L605 Cobalt Alloy Hex Bars because they provide superior wear resistance along with exceptional toughness. The alloy exhibits unique anti-galling properties, reducing wear in applications involving friction or movement. This makes it highly valuable for valve components, chemical processing machinery, and rotary systems operating continuously. L605 maintains stability even when subjected to thermal cycling, resisting deformation or cracking under repetitive temperature changes. The material’s high-temperature capabilities exceed those of many nickel- or stainless-steel-based alloys. Its strength remains intact even in aggressive environments that include oxidizing or carburizing conditions. As a result, it is considered a premium choice for high-stress engineering assemblies.
The manufacturing process of L605 hex bars involves precision melting, hot forging, and controlled heat treatment techniques. Each step enhances the alloy’s structural integrity and ensures uniform mechanical properties across its entire cross-section. Hexagonal bars are specifically favored for machining complex components due to their multi-flat surfaces. Engineers benefit from improved torque handling during fabrication, which reduces tool slippage and increases production efficiency. The alloy also responds well to cold working, enabling further strengthening when required. In addition, its resistance to scaling during heat treatment ensures dimensional stability. Manufacturers take advantage of these characteristics to produce highly reliable components for critical applications.
Worldwide L605 Cobalt Alloy Hex Bars Manufacturer, Stockist and Exporter
Aerospace engineering is one of the primary fields where L605 Cobalt Alloy Hex Bars are extensively used. Jet engine components encounter severe conditions such as high rotational speeds, intense heat, and corrosive gases. L605’s superior creep resistance allows it to function safely in turbine blades, afterburner sections, and combustor parts. The alloy also delivers excellent fatigue resistance, which is crucial for components subjected to constant vibration. Its stability under prolonged heating prevents material degradation over time. Additionally, the alloy’s reliability reduces maintenance requirements, improving operational efficiency for aerospace systems. For these reasons, it continues to be a preferred material in advanced aviation technologies.
The medical and surgical device industry also benefits from the properties of L605 Cobalt Alloy Hex Bars. This alloy is biocompatible and performs well in medical-grade instruments requiring strength and corrosion resistance. Applications include surgical cutters, orthopedic tools, and implant-related components. The material’s resistance to bodily fluids and sterilization chemicals ensures long service life. Its wear resistance helps maintain sharpness and cutting precision during repeated procedures. Engineers appreciate the alloy’s ability to be fabricated into intricate, high-precision parts. L605 continues to find increasing demand in high-performance medical device manufacturing.
Chemical processing plants frequently rely on L605 Cobalt Alloy Hex Bars due to their superior oxidation and carburization resistance. The bars can withstand hot corrosive fluids, steam, and acidic atmospheres found in reactors, heat exchangers, and high-temperature piping systems. Their ability to maintain mechanical strength under pressure helps prevent premature equipment failure. L605’s galling resistance ensures long-term reliability in components such as pump shafts, valve stems, and wear rings. Its performance remains consistent even when exposed to harsh operating cycles. This durability reduces downtime and enhances plant safety across mission-critical installations. As a result, it is a trusted alloy in chemical and petrochemical environments.
L605 Cobalt Alloy Hex Bars are supplied in a wide range of sizes, machining conditions, and heat-treated states. Manufacturers offer custom lengths, tolerances, and surface finishes to suit complex engineering specifications. The alloy’s consistent grain structure ensures predictable performance during machining, bending, and welding. With superior metallurgical stability, it performs exceptionally well across high-temperature and corrosive service environments. Engineers choose L605 when long-term reliability, safety, and durability are essential. Its versatility across multiple sectors demonstrates its engineering value. Whether used in turbines, medical devices, or chemical systems, L605 continues to be recognized as a premier high-performance alloy.
L605 Cobalt Alloy Hex Bars
Specifications
| L605 Cobalt Alloy Hex Bars – Specifications | |
|---|---|
| Product | L605 Cobalt Alloy Hex Bars (UNS R30605) |
| Standards | AMS 5759, AMS 5537, ASTM F90, ISO 5832-5 |
| Size Range | Across Flats (A/F): 3 mm to 150 mm |
| Length | 1000 mm – 6000 mm (Custom cuts available) |
| Form | Hot Rolled, Cold Drawn, Centerless Ground, Precision Machined |
| Condition | Annealed / Solution Treated / Aged (On request) |
| Surface Finish | Bright, Black, Polished, Smooth Turned |
| Applications | Aerospace engines, gas turbines, valves, medical instruments, chemical processing |
Chemical Composition (Typical Ranges)
| L605 Cobalt Alloy – Chemical Composition | |
|---|---|
| Cobalt (Co) | Balance |
| Chromium (Cr) | 19.0 – 21.0% |
| Tungsten (W) | 14.0 – 16.0% |
| Nickel (Ni) | 9.0 – 11.0% |
| Iron (Fe) | 3.0% max |
| Manganese (Mn) | 1.0 – 2.0% |
| Silicon (Si) | 1.0% max |
| Carbon (C) | 0.05 – 0.15% |
| Phosphorus (P) | 0.04% max |
| Sulfur (S) | 0.03% max |
Mechanical Properties
| L605 Cobalt Alloy – Mechanical Properties | |
|---|---|
| Tensile Strength | ≈ 950 – 1100 MPa |
| Yield Strength (0.2% Offset) | ≈ 400 – 485 MPa |
| Elongation | ≥ 30% |
| Hardness | 240 – 260 HB |
| Modulus of Elasticity | ≈ 210 GPa |
| Density | 9.13 g/cm³ |
| Melting Range | 1288 – 1410°C |
| Operating Temperature | Up to 980°C (continuous service) |
Dimension Chart
| L605 Cobalt Alloy Hex Bars – Dimension Chart | ||
|---|---|---|
| Across Flats (A/F) | Diameter Equivalent (mm) | Approx. Weight (kg/m) |
| 6 mm | 6.8 mm | 0.28 |
| 8 mm | 9.1 mm | 0.50 |
| 10 mm | 11.5 mm | 0.78 |
| 12 mm | 13.8 mm | 1.12 |
| 14 mm | 16.0 mm | 1.52 |
| 16 mm | 18.4 mm | 1.98 |
| 18 mm | 20.7 mm | 2.51 |
| 20 mm | 23.1 mm | 3.12 |
| 22 mm | 25.4 mm | 3.79 |
| 25 mm | 28.9 mm | 4.87 |
| 30 mm | 34.6 mm | 7.01 |
| 40 mm | 46.1 mm | 12.45 |
| 50 mm | 57.7 mm | 19.45 |
Equivalent H21s
| L605 Cobalt Alloy – Equivalent Grades (H21s) | |
|---|---|
| UNS | R30605 |
| AMS | AMS 5759, AMS 5537 |
| ASTM | ASTM F90 |
| ISO | ISO 5832-5 |
| Trade Names | L605, Haynes 25, Alloy 25 |
| EN / W.Nr. | – (No direct EN / W.Nr. equivalent) |
| BS | – |
We offer a wide range of L605 Cobalt Alloy Hex Bars in various diameters, lengths, and finishes. Our bars are supplied with hot-rolled, cold-drawn, and centerless ground finishes, ensuring superior surface quality and dimensional accuracy. Custom cutting, polishing, and packaging services are also available to meet specific project requirements.
With a strong inventory, reliable distribution network, and dedicated customer support, Shakti Forge India continues to strengthen its position as a leading L605 Cobalt Alloy Hex Bars manufacturer, stockist, and exporter. Our products serve both domestic industrial hubs and global industries, delivering high-performance Hastelloy bars that meet stringent engineering and quality standards.
Frequently Asked Questions (FAQs)
Cities we have supplied our products to
Mumbai, Delhi, Bengaluru(Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, Veraval,Kovvur, Andra Pradesh,Karwar, Karnataka,Kosamba, Gujarat, Vishakapatnam, Shahad, Pondicherry, Kakkinada, Pradesh, Nagda, Madhya Pradesh,Harihar, Karnataka, Tuticorin, Tamilnadu, Trivandrum, KeralaKurnool, Rourkela, Hindupur, Orissa, Renukoot, Uttar Morbi, Kerala ,Himachal, Dehradun, Visakhapatnam ,Jamnagar, Kozhikode, Ludhiana,Latur, Nanded, Vijaywada, Alwar, Bareilly, Bikaner, Andheri, Marol, Taloja, Turbhe, TTC (Thane-Belapur), Pimpri-Chinchwad, Chakan, Talegaon, Ranjangaon, Jejuri, Baramati, Satpur, Ambad, Sinnar, Igatpuri, Shendra, Waluj, Chikalthana, Paithan, Hingna, Butibori, Kalmeshwar, Umred, Shiroli, Kagal, Gokul Shirgaon, Akkalkot, Chincholi, Lote-Parshuram, Dombivli, Ambernath, Mahad, Roha, Palghar, Tarapur (Boisar)
Cities we have supplied our products to
South Korea, Africa, Sri Lanka, Syria, Taiwan, Tanzania, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, France, Germany, Greece, Oman, Colombia, Portugal, Japan, Lithuania, Macau, Mongolia, Qatar, Ireland, Malaysia, Bangladesh, Russia, Iran, Jordan, Singapore, Bulgaria, Poland, Denmark, Nigeria, Gambia, Indonesia, Finland, Argentina, Chile, Spain, Peru, Kuwait, India, Saudi Arabia, Slovakia, Slovenia, Sweden, Switzerland, Bahrain, the Netherlands, United Kingdom, Mexico, Bulgaria, Spain, France, Germany, Colombia, Brazil, Saudi Arabia, Iraq, Iran, Sudan, Libya, Tanzania, Nigeria, New Zealand, Paris, Switzerland
Applications of L605 Cobalt Alloy Hex Bars
- Oil & Gas Industry – pipelines, offshore rigs, valves, and fittings
- Chemical Processing Plants – heat exchangers, reactors, and storage vessels
- Marine & Shipbuilding – propeller shafts, seawater systems, and pumps
- Aerospace – jet engines, turbine blades, and structural components
- Power Generation – nuclear plants, boilers, and steam generators
- Automotive – exhaust systems, sensors, and performance parts
- Pharmaceutical & Food Industry – equipment requiring hygiene and corrosion resistance
- Construction & Infrastructure – high-strength fasteners, joints, and supports