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Mazin Fasteners stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners, proudly based in Muscat, Oman. Catering to clients throughout Oman and the GCC, this company delivers reliable and durable fastening solutions that adhere to international standards and meet the rigorous demands of various industries. They offer an impressive selection of specialty fasteners, including Hastelloy C22 nuts, which are celebrated for their remarkable corrosion resistance, strength, and durability in harsh chemical and industrial settings. With a commitment to precision manufacturing, strict quality control, and prompt delivery, Mazin Fasteners supports sectors like chemical processing, petrochemical, oil and gas, marine, and power generation, ensuring consistent performance in critical applications.
Hastelloy C22 nuts are crafted from a nickel-molybdenum-chromium-iron alloy, featuring about 57% nickel, 22% molybdenum, 13% chromium, along with trace amounts of iron, tungsten, and cobalt. This unique blend grants them exceptional resistance to both oxidizing and reducing agents, as well as pitting, crevice corrosion, and stress corrosion cracking. These nuts boast high tensile and yield strength, impressive toughness, and stability under mechanical and thermal stress, making them perfect for demanding applications in highly corrosive and aggressive environments.
| 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.
You’ll find Hastelloy C22 nuts widely utilized in scenarios that demand top-tier corrosion resistance, mechanical strength, and long-lasting reliability. Common uses include chemical processing equipment, petrochemical facilities, oil and gas systems, marine hardware, and components for seawater handling. They’re also found in pumps, valves, heat exchangers, and industrial machinery that face strong oxidizers, acids, or other corrosive substances. Thanks to their blend of durability, corrosion resistance, and mechanical performance, Hastelloy C22 nuts are the go-to choice for securing critical assemblies in chemical, petrochemical, marine, and high-performance industrial applications, ensuring safety and reliability over the long haul.
At Mazin Fasteners, our Hastelloy C22 nuts are meticulously packaged to maintain their quality and integrity during transit. Each nut is securely wrapped in protective materials to prevent damage. The packaging is designed for durability and ease of handling, ensuring the products arrive in pristine condition. Our commitment to quality extends to our packaging process, which includes clear labeling and efficient stacking to facilitate easy identification and distribution. Trust Mazin Fasteners for reliable and well-packaged Hastelloy C22 nuts, delivered to you with care.
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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