Haynes 25 (L-605)
Cobalt-chromium-nickel-tungsten alloy with high strength and oxidation resistance to about 1000 C.
Material overview
Haynes 25 (L-605) is included in the Cobalt-Based Alloys catalog. Cobalt-chromium-nickel-tungsten alloy with high strength and oxidation resistance to about 1000 C. Key characteristics for evaluation include Excellent high-temperature strength and oxidation, good resistance to wear and galling, and work hardens. Typical applications include Gas-turbine parts, high-temperature bearings and springs, furnace components, and surgical and wear applications. The dataset currently includes 13 property records covering chemical composition, mechanical properties, and physical properties. Associated standards include B637 and GB/T 14992, and product form records cover Bar / Rod and Forged Product. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation must be confirmed against the applicable specification and mill certificate.
Key characteristics
- Excellent high-temperature strength and oxidation
- good resistance to wear and galling
- work hardens
Typical applications
- Gas-turbine parts
- high-temperature bearings and springs
- furnace components
- surgical and wear applications
Grade names and equivalents
Technical properties
Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.
Chemical composition
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Co | balance | wt% | Typical value |
| Cr | 19.0-21.0 | wt% | Typical value |
| W | 14.0-16.0 | wt% | Typical value |
| Ni | 9.0-11.0 | wt% | Typical value |
| Fe | 3.0 max | wt% | Typical value |
| C | 0.05-0.15 | wt% | Typical value |
| Mn | 1.0-2.0 | wt% | Typical value |
| Si | 1.0 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | min 970 | MPa | Solution annealed |
| Yield strength 0.2% | min 460 | MPa | Solution annealed |
| Elongation | min 25 | % | Solution annealed |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 9.13 | g/cm3 | Typical |
| Melting range | 1330-1410 | C | Typical |
Standards and specifications
Forms, applications, and capabilities
Product forms
- Bar / Rod
- Product form
Industries
- Industry
- Industry
Capabilities
- Vacuum Induction Melting
- Capability
- Capability
- Heat Treatment
- Nondestructive & Laboratory Testing