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Hamad Fasteners, based in Riyadh, Saudi Arabia, is a reliable manufacturer and supplier of top-quality industrial fasteners designed to withstand extreme conditions. Our Hastelloy C276 Nuts are crafted to excel in highly corrosive environments, where strong oxidizing and reducing agents are present. These nuts are commonly found in industries like chemical processing, marine applications, and waste treatment, offering outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Built to meet international standards, Hastelloy C276 nuts guarantee strength, safety, and long-lasting reliability even in the most aggressive operating conditions.
Made from a nickel-molybdenum-chromium alloy with added iron and tungsten, Hastelloy C276 Nuts typically consist of about 57% nickel, 15–17% molybdenum, 14.5–16.5% chromium, and 4–7% iron. They boast impressive tensile strength, usually ranging from 690 to 785 MPa, while maintaining their corrosion resistance in both oxidizing and reducing environments. These nuts can withstand a variety of harsh chemicals, including hydrochloric, sulfuric, acetic, and formic acids, even at high temperatures, making them perfect for extreme chemical exposure.
| Specifications | ASTM B574 / ASME SB574 |
|---|---|
| Fasteners 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 |
| Fasteners Length | 3 mm to 200 mm |
| Fastener Threads | UNF, BSW, BSF, METRIC, UNC or as required |
| Standard of High Nickel Alloy Fasteners | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Surface Coating | Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating |
| Fasteners Finishing | High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide. |
| 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 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Hastelloy C276 Nuts are extensively used in reactors, pressure vessels, heat exchangers, marine exhaust systems, and chemical piping, where they often encounter aggressive acids and seawater. They are the go-to choice for securing critical equipment in settings where standard stainless steels would quickly fail. With their proven resistance to localized corrosion and exceptional mechanical performance, these nuts are the top pick for safety-critical fastening in chemical plants, offshore platforms, and pollution control systems.
Hamad Fasteners ensures secure and efficient packaging of Hastelloy C276 nuts to maintain their high quality and integrity. Each nut is individually inspected and carefully packed in durable, moisture-resistant materials to prevent damage during transit. Our packaging is designed to protect against contamination and physical impact, with clear labeling for easy identification. Whether in bulk or custom-sized packages, our approach ensures that the Hastelloy C276 nuts arrive at your facility in optimal condition, ready for immediate use in demanding applications.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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