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Mazin Fasteners is a reliable manufacturer and supplier of Hastelloy C276 Washers, proudly based in Muscat, Oman. We specialize in providing high-performance fastening solutions tailored for the toughest industrial environments that face high levels of corrosion. Our washers are meticulously engineered to ensure exceptional strength, durability, and resistance to harsh chemicals and extreme temperatures. At Mazin Fasteners, we produce Hastelloy C276 washers in line with international standards, utilizing advanced manufacturing techniques and rigorous quality control measures. With a strong commitment to reliability, quality, and timely delivery, we cater to critical industries throughout Oman and the Middle East, offering long-lasting and trustworthy fastening solutions.
Crafted from a nickel-molybdenum-chromium alloy with added iron and tungsten, Hastelloy C276 washers boast remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, even in the most aggressive chemical settings. These washers are known for their excellent tensile and yield strength, good ductility, and high toughness. Hastelloy C276 maintains consistent mechanical properties across a broad temperature range, ensuring dependable performance under severe chemical, thermal, and mechanical stress. This makes them perfect for critical industrial applications.
| 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 C276 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 C276 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 washers find their place in environments that experience extreme corrosion, high pressures, and elevated temperatures. They are commonly used in sectors like chemical processing, petrochemical, oil and gas, pharmaceuticals, and pollution control. Typical applications include reactors, pressure vessels, heat exchangers, piping systems, and flanged joints that handle aggressive media. Their outstanding corrosion resistance, mechanical strength, and durability guarantee a long service life, operational safety, and minimized maintenance in demanding industrial settings.
At Mazin Fasteners, we prioritize the secure and safe packaging of our Hastelloy C276 washers. Each washer is carefully inspected and packed in high-quality, durable materials to prevent damage during transit. We use corrosion-resistant packaging to maintain the integrity of the washers. Additionally, we offer customized packaging solutions to meet specific customer requirements, ensuring our products arrive in perfect condition, ready for immediate use in your applications.
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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