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Hassan Sheets and Plate Manufacturer and Supplier, based in Riyadh, Saudi Arabia, proudly offers top-notch **Haynes 25 / L605 Sheets and Plates**. These materials are celebrated for their remarkable strength, resistance to oxidation, and durability in high-temperature settings. This cobalt-based alloy is perfect for applications in aerospace, gas turbines, heat exchangers, and components for industrial furnaces. At Hassan, we provide Haynes 25 (also referred to as Alloy L605) in a variety of sizes and thicknesses, specifically designed to meet the rigorous demands of industries across Saudi Arabia and the GCC, where durability and thermal stability are crucial.
The composition of Haynes 25 / L605 Sheets and Plates includes **Cobalt (balance), Chromium (20–24%), Tungsten (14–16%), and Nickel (9–11%)**, which together deliver outstanding strength and oxidation resistance at temperatures reaching **1095°C (2000°F)**. This alloy also boasts excellent resistance to sulfidation, galling, and wear between metals. With a **tensile strength ranging from 930 to 1030 MPa** and good ductility at both room and elevated temperatures, Haynes 25 is easy to fabricate and weld, ensuring stability even under prolonged thermal conditions.
| 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 |
Haynes 25 / L605 Sheets and Plates, also known as L605, is a cobalt-based alloy known for high strength, good oxidation resistance and corrosion resistance It is commonly used in high-temperature applications, such as gas turbines, . aerospace components and engine parts. Haynes 25 sheets and plates are used in turbine blades, exhaust components and parts exposed to harsh environments. The alloy’s ability to retain mechanical strength at high temperatures makes it ideal for use in the aerospace, chemical and electrical industries.
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Riyadh, Saudi Arabia
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