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Nial Sheets and Plates is a reputable manufacturer and supplier of Haynes 25 / L605 Sheets and Plates, proudly based in Houston, USA. We specialize in high-performance cobalt-based alloy products that are engineered for exceptional strength, oxidation resistance, and thermal stability, even in the most extreme conditions. Our Haynes 25 / L605 Sheets and Plates are crafted with precision to meet the needs of various industries, including aerospace, gas turbine, medical, and chemical processing. Renowned for our outstanding quality, precise dimensions, and reliable delivery, Nial Sheets and Plates is committed to providing customized solutions that fulfill your toughest material specifications, both in the USA and around the globe.
The composition of Haynes 25 / L605 Sheets and Plates is primarily cobalt (about 51%), along with notable amounts of chromium (20%), tungsten (15%), and nickel (10%). This alloy is known for its remarkable high-temperature strength, oxidation resistance up to 1093°C (2000°F), and solid resistance to sulfidation and wear. Typical mechanical properties include a tensile strength ranging from 960 to 1100 MPa, yield strength between 400 and 550 MPa, and an elongation of approximately 30 to 35%. The material also retains excellent structural integrity and creep resistance when exposed to prolonged heat, making it ideal for the most challenging environments.
| 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 the aerospace sector, Haynes 25 / L605 Sheets and Plates are commonly used in combustion chambers, afterburners, and turbine engine components. They also find applications in industrial furnaces, nuclear reactors, and medical implants, thanks to their strength, biocompatibility, and corrosion resistance. Other uses include heat exchangers, chemical equipment, and high-temperature fasteners. The alloy’s unique combination of thermal stability and wear resistance ensures reliable performance under cyclic heating and corrosive conditions. Nial Sheets and Plates provides Haynes 25 / L605 Sheets and Plates in a variety of thicknesses and dimensions, all precisely cut and finished to meet critical performance standards.
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