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MUKAU FASTENERS is a reputable manufacturer and supplier based in Kinshasa, Congo, specializing in high-performance Hastelloy C276 Fasteners. These fasteners are celebrated for their exceptional corrosion resistance and durability. Crafted from a nickel-molybdenum-chromium alloy with tungsten, they offer remarkable resistance to both strong oxidizing and reducing agents. Designed to excel in tough chemical and marine environments, Hastelloy C276 Fasteners provide high strength, outstanding formability, and a long service life. MUKAU FASTENERS is committed to precision manufacturing and upholding international quality standards, making these fasteners perfect for use in chemical plants, refineries, and power generation sectors.
Hastelloy C276 Fasteners primarily consist of nickel (the balance), along with molybdenum (15–17%), chromium (14.5–16.5%), iron (4–7%), and tungsten (3–4.5%). They boast a tensile strength of around 790 MPa and a yield strength of 355 MPa, along with excellent ductility and hardness. These fasteners maintain impressive mechanical integrity and resist localized corrosion, pitting, and stress corrosion cracking, even in aggressive chemical and high-temperature 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 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 extensive applications across various industries, including chemical processing, power generation, marine engineering, and pollution control. They are particularly well-suited for heat exchangers, reactors, evaporators, and flue gas scrubbers that handle highly corrosive substances like hydrochloric and sulfuric acids. Additionally, these fasteners are utilized in the pharmaceutical and pulp & paper industries for equipment that demands high corrosion resistance. Hastelloy C276 Fasteners ensure secure and dependable connections in challenging environments, maintaining their performance and integrity even under extreme mechanical and thermal stress.
At Mukau 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.
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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