Al Vishwas Nickel Alloys distinguishes itself as a premier manufacturer and supplier of superior-quality Hastelloy Screws, proudly headquartered in Dubai, UAE. Recognized for delivering high-performance fastening solutions, the company serves industries that demand outstanding corrosion resistance and strength in demanding environments. Through advanced production capabilities and stringent quality control, Al Vishwas Nickel Alloys ensures that each Hastelloy screw complies with international standards for reliability and durability. Their client-focused approach, technical expertise, and commitment to innovation position them as a trustworthy partner for customers in chemical processing, marine engineering, aerospace, and other essential sectors requiring fastening components engineered to withstand the most severe operational conditions.
Hastelloy Screws consist primarily of nickel, molybdenum, and chromium, along with differing quantities of iron, tungsten, and cobalt based on the particular grade. This distinctive combination delivers exceptional corrosion resistance, especially against acids, chlorides, and high-temperature oxidation. From a mechanical standpoint, Hastelloy features high tensile strength, superb creep resistance, and stability under thermal stress. The alloy maintains its toughness and integrity even in highly corrosive or high-pressure conditions. Moreover, Hastelloy Screws demonstrate exceptional fatigue resistance, making them perfect for long-term application in challenging industrial settings where dependability and performance are essential.
| 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 Al Vishwas Nickel Alloys, we take pride in being the largest supplier, exporter, and manufacturer of Hastelloy Screw in Dubai, UAE, delivering advanced solutions for every one of your piping requirements. Our modern production facilities are strategically situated in the UAE, enabling us to keep an extensive stock of more than 16,000 tons of top-quality materials on hand and ready to ship. We are committed to supplying outstanding products and services, guaranteeing dependability and excellence for our customers around the world.
Reach out to us for a fast quote tailored to your requirement.
Hastelloy Screws are widely applied in sectors where exposure to corrosion, heat, and chemicals creates major difficulties. They play a key role in chemical processing plants, holding in place equipment that contacts powerful acids, solvents, and corrosive gases. Within the oil and gas industry, these screws prove indispensable for pipelines, valves, and offshore structures, owing to their toughness under severe conditions. Power generation facilities likewise rely on Hastelloy Screws for their strength, guaranteeing that equipment stays fastened and functional even in the most challenging surroundings.
