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Mazin Fasteners stands out as a top-notch manufacturer and supplier of Hastelloy C276 Fasteners, proudly based in Muscat, Oman. We specialize in providing high-performance fastening solutions tailored for the toughest industrial environments that face corrosive challenges. Our fasteners are meticulously engineered to ensure exceptional strength, durability, and resistance against harsh chemicals and extreme temperatures. At Mazin Fasteners, we produce Hastelloy C276 fasteners in line with international standards, utilizing cutting-edge manufacturing techniques and rigorous quality control measures. With a strong commitment to quality, reliability, and timely delivery, we cater to critical industries throughout Oman and the Middle East, offering dependable and long-lasting fastening solutions.
Crafted from a nickel-molybdenum-chromium alloy with added iron and tungsten, Hastelloy C276 fasteners are designed for outstanding corrosion resistance. This unique composition provides remarkable protection against pitting, crevice corrosion, and stress corrosion cracking, even in highly aggressive chemical settings. These fasteners boast excellent tensile and yield strength, good ductility, and impressive toughness. Hastelloy C276 maintains consistent mechanical properties across a broad temperature range, ensuring reliable performance even under severe chemical, thermal, and mechanical stress.
| 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 fasteners find their place in industries that deal with extreme corrosion, high pressures, and elevated temperatures. They are commonly used in chemical processing, petrochemical, oil and gas, pharmaceutical, and pollution control sectors. Typical applications include reactors, pressure vessels, heat exchangers, piping systems, and flanged joints that handle highly aggressive media. Their exceptional corrosion resistance, mechanical strength, and durability guarantee a long service life, operational safety, and minimized maintenance in critical industrial applications.
At Mazin Fasteners, we ensure the highest quality packaging for our Hastelloy C276 Fasteners. Each fastener is individually protected in anti-corrosive bags to preserve its pristine condition. We use sturdy, weather-resistant cartons or boxes to safeguard the products during transit. Our packaging is designed to handle the rigors of shipping and handling, with clear labeling for size and quantity. We also offer customized packaging solutions tailored to specific customer requirements, ensuring secure and efficient delivery.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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