Nickel Alloys Fasteners
Corrosion and heat resistant alloy families including Inconel, Incoloy, Monel and Hastelloy (trademarks of their respective owners) for aggressive chemical, marine and high-temperature service.
Nickel Alloys Fasteners
Corrosion and heat resistant alloy families including Inconel, Incoloy, Monel and Hastelloy (trademarks of their respective owners) for aggressive chemical, marine and high-temperature service.
Common standards: ASTM B166, B446, B637, B425, B164, B865, B574, F467/F468
Common Grades
| Grade | Description |
|---|---|
| Alloy 600 (N06600) | Inconel family, oxidation and heat resistance |
| Alloy 625 (N06625) | Inconel family, corrosion and strength |
| Alloy 718 (N07718) | Precipitation hardened, high strength |
| Alloy 825 (N08825) | Incoloy family, acid and chloride resistance |
| Monel 400 (N04400) | Ni-Cu, seawater and hydrofluoric acid |
| Monel K500 (N05500) | Age hardenable Ni-Cu |
| Hastelloy C276 (N10276) | Ni-Mo-Cr, severe chemical environments |
General industry information. Grades listed are not a statement of current stock or manufacture; availability is confirmed at enquiry.
Chemical Composition (% typical specification limits)
| Alloy | Ni | Cr | Mo | Other |
|---|---|---|---|---|
| 600 | 72.0 min | 14.0–17.0 | – | Fe 6.0–10.0 |
| 625 | 58.0 min | 20.0–23.0 | 8.0–10.0 | Nb 3.15–4.15 |
| 718 | 50.0–55.0 | 17.0–21.0 | 2.8–3.3 | Nb 4.75–5.50 |
| 825 | 38.0–46.0 | 19.5–23.5 | 2.5–3.5 | Cu 1.5–3.0 / Ti 0.6–1.2 |
| Monel 400 | 63.0 min | – | – | Cu 28.0–34.0 |
| Monel K500 | 63.0 min | – | – | Cu 27.0–33.0 / Al 2.3–3.15 |
| C276 | Balance | 14.5–16.5 | 15.0–17.0 | W 3.0–4.5 / Fe 4.0–7.0 |
Limits vary slightly by product standard. Actual heat analysis is reported on the Material Test Certificate.
Mechanical Properties
| Alloy (condition) | Tensile (MPa) | Yield (MPa) |
|---|---|---|
| 600 annealed (B166) | 550 min | 240 min |
| 625 annealed (B446) | 827 min | 414 min |
| 718 aged (B637) | 1240 min | 1035 min |
| 825 annealed (B425) | 586 min | 241 min |
| Monel 400 annealed (B164) | 485 min | 195 min |
| Monel K500 aged (B865) | 965 min | 690 min |
| C276 (B574) | 690 min | 283 min |
Minimum values per cited standards; they vary by diameter, condition and heat treatment.
Available Fastener Types
Available as bolts, nuts, screws, washers, studs and special fasteners to drawing, subject to size and standard. Browse all products.
Applications and Industries
Finishing, Quality and Packaging
Finishes such as passivation, plating, galvanizing or customer-specified treatments are selected to suit the material and service. Inspection may include dimensional, visual, mechanical and chemical checks, PMI where applicable, and Material Test Certificates (EN 10204 3.1 where requested). Goods are packed for export. See Quality.