Inconel X-750
Precipitation-hardening nickel-chromium alloy with good corrosion resistance and high strength to ~700 C.
Material overview
Inconel X-750 belongs to the Nickel-Based Alloys section of the catalog. Precipitation-hardening nickel-chromium alloy with good corrosion resistance and high strength to ~700 C. The technical review record highlights High tensile and creep-rupture strength, good relaxation resistance, and corrosion resistance similar to Alloy 600. Listed applications include Springs, fasteners, gas-turbine parts, heat-treating fixtures, and forming tools. The dataset currently includes 15 property records covering chemical composition, mechanical properties, and physical properties. Standards and product forms associated with the grade include B637 and GB/T 15007 and Bar / Rod and Solid Wire / GTAW-GMAW Wire. Final material properties and delivery conditions must be verified against the applicable specification and inspection documents.
Key characteristics
- High tensile and creep-rupture strength
- good relaxation resistance
- corrosion resistance similar to Alloy 600
Typical applications
- Springs
- fasteners
- gas-turbine parts
- reactor components
- heat-treating fixtures
- forming tools
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 |
|---|---|---|---|
| Ni | 70.0 min | wt% | Typical value |
| Cr | 14.0-17.0 | wt% | Typical value |
| Fe | 5.0-9.0 | wt% | Typical value |
| Nb | 0.70-1.20 | wt% | Typical value |
| Ti | 2.25-2.75 | wt% | Typical value |
| Al | 0.40-1.00 | wt% | Typical value |
| C | 0.08 max | wt% | Typical value |
| Mn | 1.0 max | wt% | Typical value |
| Si | 0.5 max | wt% | Typical value |
| Cu | 0.5 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | min 1172 | MPa | Solution + aged |
| Yield strength 0.2% | min 758 | MPa | Solution + aged |
| Elongation | min 20 | % | Solution + aged |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 8.28 | g/cm3 | Typical |
| Melting range | 1393-1427 | 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