Tanvir Nickel Alloys is a trusted manufacturer and supplier of top-notch Hastelloy Screws, based in Cairo, Egypt. They focus on providing corrosion-resistant fastening solutions, crafting Hastelloy Screws that are designed to excel in extremely tough environments, including those with strong acids, high temperatures, and aggressive chemicals. Built to meet international standards with precise tolerances and a superior surface finish, these screws are perfect for critical applications in industries like chemical, marine, pharmaceutical, and power generation, where standard fasteners just won’t cut it.
Typically, Hastelloy Screws are made from nickel-molybdenum or nickel-chromium-molybdenum alloys, such as Hastelloy C-22, C-276, or X. These alloys boast remarkable resistance to a variety of corrosive environments, including hydrochloric, sulfuric, and nitric acids, as well as issues like pitting, crevice corrosion, and stress corrosion cracking. They maintain their mechanical strength and structural integrity in both oxidizing and reducing conditions, making them ideal for high-pressure and high-temperature settings.
| Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
|---|---|
| Threads: | BSF, UNF METRIC, UNC, BSW or as required |
| Standard | ANSI – American National Standards Institute
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| Fasteners/ Bolts Size | M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 |
| Length | 3 mm to 200 mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Finishing | Zinc white, (yellow, black, blue), black oxide, Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating |
| raw materials of Source | JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc. |
| Form | Square, Hex, Threading as per Gauge, Round Etc. |
| Process of Production | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
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| Packing | IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 0.010 max | 1.0 max | 0.08 max | 2.5 max | 0.03 max | Bal | 14.5 – 16.5 | 4 – 7 | 15 – 17 | 3 – 4.5 | 0.35 max | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
At Tanvir Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Screw in Cairo, Egypt, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the Egypt, 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.
Hastelloy Screws are essential in applications where long-lasting corrosion resistance and reliability are a must. In the **chemical processing industry**, they secure components in reactors, pumps, and acid-handling systems. The **marine sector** relies on them for equipment that faces saltwater and biofouling challenges. In the **pharmaceutical and food industries**, they are the go-to choice for hygienic equipment that needs to endure aggressive cleaning agents. They also find their place in **nuclear and pollution control systems**, where strength and resistance to highly corrosive substances are crucial. With Hastelloy Screws, you get a secure, durable fastening solution that stands up to the toughest industrial demands.
