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MUKAU FASTENERS is a well-respected manufacturer and supplier based in Kinshasa, Congo, specializing in high-quality Hastelloy C22 Fasteners. These fasteners are crafted for outstanding performance in harsh, corrosive, and high-temperature settings. Made from a unique nickel-chromium-molybdenum-tungsten alloy, they offer remarkable resistance to pitting, crevice corrosion, and oxidizing environments. Designed for tough industrial applications, Hastelloy C22 Fasteners excel in strength, ductility, and chemical stability. MUKAU FASTENERS prides itself on precision manufacturing, rigorous quality control, and compliance with global standards, making these fasteners perfect for sectors like chemical processing, marine engineering, and pollution control systems.
Hastelloy C22 Fasteners primarily consist of nickel (the balance), chromium (20–22.5%), molybdenum (12.5–14.5%), iron (2–6%), and tungsten (2.5–3.5%). They boast impressive tensile strength of around 760 MPa and a yield strength of about 350 MPa, along with exceptional ductility and toughness. These fasteners remain stable under both oxidizing and reducing conditions, ensuring top-notch corrosion resistance, thermal stability, and mechanical durability in aggressive chemical 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.
Hastelloy C22 Fasteners find extensive use in the chemical and petrochemical industries, particularly in equipment like reactors, heat exchangers, and evaporators. They are perfect for managing strong oxidizers and reducing agents, providing dependable fastening in systems that face acidic and chloride-rich conditions. Additionally, these fasteners are utilized in flue gas scrubbers, pulp and paper processing, pharmaceutical equipment, and waste treatment facilities. With their long-lasting performance and corrosion resistance, Hastelloy C22 Fasteners are crucial for maintaining structural integrity in high-pressure and high-temperature applications.
At Mukau Fasteners, we prioritize the protection and integrity of our Hastelloy C22 Fasteners with meticulous packaging. Each fastener is individually wrapped in anti-corrosive materials to prevent damage and maintain quality. We use robust, weather-resistant cartons or boxes, clearly labeled with product details for easy identification. Our packaging solutions are designed to withstand the rigors of shipping, ensuring safe and secure delivery. For added convenience, we offer customized packaging options tailored to specific customer needs and preferences.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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