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Based in Delhi, India, Kunj Metal Industries is a top supplier of Haynes 25/L605 Sheets and Plates, offering high-performance cobalt-based alloy products. Haynes 25 is renowned for its exceptional strength, resistance to oxidation, and ability to withstand wear at elevated temperatures. Our plates and sheets are designed for industrial and critical aerospace applications that need to function for an extended period of time in harsh conditions. Even under the most demanding mechanical and thermal stresses, Kunj provides superior product quality, mechanical stability, and resistance to deformation and degradation through manufacturing that complies with strict international standards.
Haynes 25 (L605) is a cobalt-based alloy with approximately 52% Co, 20% Cr, 15% W, and 10% Ni. Up to 980°C, it offers exceptional strength and resistance to oxidation and sulfidation. Excellent stability under thermal cycling is provided by the material, which has a tensile strength of about 960 MPa and superior creep resistance. Additionally, it has good fatigue and wear resistance, which makes it perfect for parts that are subjected to harsh environments and mechanical loads. Haynes 25 is more useful in intricate applications because it is simple to form and weld.
| Standard Specification : | AMS 5759, AMS 5537 |
| Dimensions : | AMS, AMS, API |
| Sheets Thickness : | Range from .008″ to .0125″ |
| Plates Thickness : | Ranges from .0125″ to 5.00″ |
| Sheets/Plates Width : | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc |
| Sheets/Plates Length : | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc |
| Tempers : | Annealed, 1/4, 1/2 Hard, 3/4 Hard, Full Hard |
| Hardness : | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Value Added Service : | Cladding, Heat T |
| Grade | C% | Si≤ % | Mn≤ % | P≤ % | S≤ % | Cr% | Ni% | Co% | Fe % | W % |
| Haynes 25 / L605 | 0.05-0.15 | 0.40 | 2.00 | 0.02 | 0.015 | 19.0-21.0 | 9.00-11.0 | Rest | ≤ 3.00 | 14.0-16.0 |
| Grade | 0.2% Yield strength Rp ≥ N/mm² | Tensile strength Rm N/mm² | Elongation A5 | Resistant on air up to°C | Modulus of elasticity kN/mm² |
| Haynes 25 / L605 | 345 | 830-1130 | 25 | 1090 | 225 |
| STANDARD | Material No | EN Designation | UNS | Alloy |
| Haynes 25 / L605 | 2.4964 | CoCr20W15Ni | R30605 | 25 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Haynes 25 (L605) sheets and plates provide exceptional high-temperature strength and outstanding resistance to oxidation, carburization, and sulfidation, making them ideal for harsh environments They wear well and resist corrosion ensure durability, especially in chemical applications and aerospace applications . Excellent mechanical strength is maintained up to 1800°F (980°C) and allows for high formability and weldability. The cobalt-based structure of the compound provides durability and creep resistance, supporting reliability under extreme stresses. These features make Haynes 25 paper and plate the preferred choice for high-performance applications in hostile environments.
| Density | Lb/in3 | 0.327 |
| g/cm3 | 9.07 | |
| Melting Point | oF | 2425-2570 |
| oC | 1330-1410 | |
| Specific Heat | Btu/lb-oF | 0.096 |
| J/kg-oC | 403 | |
| Expansion Coefficient | 25-100oC | 12.8 |
| 70-200oF | 7.1 | |
| Thermal Conductivity | W/m-oC | 10.5 |
| BTU-in/hr-ft2–oF | 72 | |
| Electrical Resistivity | µohm-cm | 88.6 |
| µohm-in | 34.9 |
In aerospace, where materials must maintain their mechanical strength at high temperatures, Haynes 25/L605 Sheets and Plates are widely used for turbine blades, combustion chambers, and afterburners. Because of its biocompatibility, it can be used in surgical instruments and implants in the medical field. It is also utilised in bearings, springs, valves, and parts of industrial furnaces that are subjected to high stress and corrosion. The alloy is perfect for chemical processing and marine engineering applications because of its resistance to oxidation and wear. Reliability under demanding operating conditions is guaranteed by its resistance to thermal shock and aggressive media.
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