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Mazin Fasteners is a reliable manufacturer and supplier of Hastelloy C276 Bolts, proudly based in Muscat, Oman. They specialize in providing top-notch fastening solutions designed for highly corrosive and extreme service environments. The company adheres to strict quality control measures and international standards to guarantee precision, reliability, and long-lasting performance. With state-of-the-art manufacturing facilities and a team of skilled professionals, Mazin Fasteners produces Hastelloy bolts that meet the demands of critical applications. Their dedication to material traceability, consistent quality, and timely delivery makes them a go-to partner for the chemical processing, oil & gas, and power industries.
Hastelloy C276 Bolts are crafted from a nickel–molybdenum–chromium alloy, enhanced with tungsten and iron. This unique blend offers remarkable resistance to pitting, crevice corrosion, stress corrosion cracking, and general corrosion in aggressive environments. The alloy boasts impressive tensile and yield strength, excellent toughness, and stable mechanical properties across a wide temperature range. Hastelloy C276 bolts maintain their structural integrity even under high pressure and thermal stress, ensuring dependable load-bearing performance in challenging chemical and industrial settings.
| 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 Bolts | 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 Bolts | 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 Bolts find their place in a variety of applications that face extreme corrosion and tough operating conditions. Common uses include chemical processing equipment, reactors, heat exchangers, pressure vessels, and piping systems that handle acids and chlorides. They are also widely utilized in oil and gas production, petrochemical plants, pollution control equipment, and offshore installations. These bolts excel in environments with sulfuric, hydrochloric, and phosphoric acids, as well as wet chlorine gas. Their outstanding corrosion resistance and mechanical stability make them a reliable choice for demanding applications.
At Mazin Fasteners, we ensure that our Hastelloy C276 Bolts are installed with the highest level of care to maintain their quality and integrity. Each bolt is individually wrapped with protective and corrosion-resistant coatings to prevent damage during transport. We use sturdy and weatherproof boxes with clearly labeled product information for easy identification. Our packaging products are designed to withstand harsh shipping conditions, ensuring that your Hastelloy C276 bolts arrive in perfect condition, ready for immediate use quite. Custom packaging is also available to meet specific needs.
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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