Themba Nickel Alloys, located in Cape Town, Cape Town, has built a solid reputation as a reliable manufacturer and supplier of high-performance nickel-based alloys. They specialize in precision-engineered Inconel 617 fasteners, catering to clients around the globe, including those in the Cape Town, South Africa market. Known for their commitment to quality, reliability, and strict adherence to international standards, Themba Nickel Alloys guarantees that each fastener meets rigorous specifications for critical industrial applications. With a strong focus on innovation and customer satisfaction, the company offers durable, corrosion-resistant Inconel 617 fasteners that are designed to endure extreme temperatures and tough environments, making them a go-to choice for industries that require exceptional mechanical performance and lasting reliability.
Inconel 617 fasteners are primarily made up of nickel (about 52%), chromium (22%), cobalt (12%), molybdenum (9%), and iron (less than 8%), with small amounts of aluminum and titanium to boost strength. This alloy is known for its remarkable high-temperature strength, excellent resistance to oxidation, carburization, and thermal fatigue, as well as impressive creep resistance up to 982°C (1800°F). Inconel 617 fasteners maintain their structural integrity even when exposed to extreme heat and corrosive environments for extended periods, combining toughness and ductility, which makes them perfect for demanding engineering applications where standard stainless steels would struggle under thermal and chemical stress.
| Specifications | ASTM B166 / ASME SB166 |
|---|---|
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Size | Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Surface Coating | Ptfe Coating Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Grade | Ni | Cr | Fe | C | Mn | S | Mo | Si | Co |
| Inconel 617 | 48.85 – 62 | 20 – 24.0 | Balance | ≤ 0.15 | ≤ 1 | – | 8 – 10 | ≤ 1 | 10-15 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.3g/cm³ | 1363°C | ≥ 485 MPa | ≥ 275 MPa | 25 % |
At Themban Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Inconel 617 Fasteners in Cape Town , South Africa, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Cape Town, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
These fasteners find extensive use in aerospace, gas turbines, power generation, and chemical processing industries, where components are subjected to extreme temperatures and corrosive conditions. They play a crucial role in securing essential parts in heat exchangers, furnace assemblies, pressure vessels, and nuclear reactors. Moreover, Inconel 617 fasteners are also utilized in petrochemical and offshore applications, ensuring reliability in harsh environmental conditions. Their high strength, oxidation resistance, and dimensional stability make them ideal for projects that require long-lasting performance.
