Hastelloy C-276
Nickel-molybdenum-chromium-tungsten alloy regarded as a versatile wrought corrosion-resistant alloy.
Material overview
Hastelloy C-276 belongs to the Nickel-Based Alloys section of the catalog. Nickel-molybdenum-chromium-tungsten alloy regarded as a versatile wrought corrosion-resistant alloy. The technical review record highlights Excellent resistance to strong oxidizing and reducing acids, resists pitting, crevice corrosion and stress corrosion, and weldable without post-weld attack. Listed applications include Chemical processing, flue-gas desulfurization, pulp and paper, waste treatment, acid production, and pharmaceutical. The dataset currently includes 15 property records covering chemical composition, mechanical properties, and physical properties. Standards and product forms associated with the grade include B574, B575, B622, and GB/T 15007 and Bar / Rod, Plate, and Seamless Pipe / Tube. Final material properties and delivery conditions must be verified against the applicable specification and inspection documents.
Key characteristics
- Excellent resistance to strong oxidizing and reducing acids
- resists pitting, crevice corrosion and stress corrosion
- weldable without post-weld attack
Typical applications
- Chemical processing
- flue-gas desulfurization
- pulp and paper
- waste treatment
- acid production
- pharmaceutical
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 | balance | wt% | Typical value |
| Mo | 15.0-17.0 | wt% | Typical value |
| Cr | 14.5-16.5 | wt% | Typical value |
| W | 3.0-4.5 | wt% | Typical value |
| Fe | 4.0-7.0 | wt% | Typical value |
| C | 0.01 max | wt% | Typical value |
| Mn | 1.0 max | wt% | Typical value |
| Si | 0.08 max | wt% | Typical value |
| Co | 2.5 max | wt% | Typical value |
Mechanical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Tensile strength | min 690 | MPa | Solution annealed |
| Yield strength 0.2% | min 283 | MPa | Solution annealed |
| Elongation | min 40 | % | Solution annealed |
| Hardness | max 210 HB | HB | Solution annealed |
Physical properties
| Property | Value | Unit | Condition / standard |
|---|---|---|---|
| Density | 8.89 | g/cm3 | Typical |
| Melting range | 1325-1370 | C | Typical |
Standards and specifications
Forms, applications, and capabilities
Product forms
Industries
- Petrochemical & Chemical
- Industry
- Industry
- Industry