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MUKAU FASTENERS, a well-respected manufacturer and supplier based in Kinshasa, Congo, focuses on crafting top-notch Stainless Steel 347 Nuts that excel in high-temperature and corrosive settings. These nuts, stabilized with niobium, are specifically designed to fend off intergranular corrosion while maintaining their mechanical integrity under heat and pressure. Thanks to cutting-edge manufacturing processes and rigorous quality checks, MUKAU FASTENERS guarantees that every Stainless Steel 347 Nut adheres to international standards for precision and durability. They’re perfect for industries like petrochemical, aerospace, marine, and power generation, providing reliable fastening solutions that stand the test of time, even in harsh conditions.
Stainless Steel 347 Nuts are made up of 17–19% chromium, 9–13% nickel, and niobium (columbium) to prevent carbide precipitation during welding and exposure to high temperatures. This unique blend offers outstanding resistance to oxidation, intergranular corrosion, and scaling. With a tensile strength ranging from 550–750 MPa and a yield strength of around 240 MPa, these nuts also boast excellent ductility and toughness. The addition of niobium enhances their thermal stability and creep resistance, making Stainless Steel 347 Nuts perfect for environments that face continuous high temperatures and corrosive chemicals.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347 | min. | – | – | – | – | – | 17.0 | 2.00 | 9.0 | – |
| max. | 0.08 | 2.0 | 1.00 | 0.045 | 0.030 | 20.0 | 3.00 | 13.0 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 515 | 205 | 40 | 95 | 201 |
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.
Stainless Steel 347 Nuts find their place in various applications, including chemical processing, oil and gas refineries, heat exchangers, boilers, power plants, and exhaust manifolds, where resistance to high temperatures and corrosion is crucial. They shine in the aerospace, marine, and pharmaceutical sectors, providing secure fastening even under thermal stress and vibration. These nuts are ideal for furnace components, pressure vessels, and turbine systems, ensuring durability and stability in oxidizing atmospheres.
At Mukau Fasteners, we ensure that our Stainless Steel 347 nuts are installed with the utmost attention to detail to maintain their quality and functionality. Our packaging solutions use sustainable materials and safe processes to protect the fruit from damage during transportation and handling. Each item is carefully detailed to facilitate identification and proper inventory management. Our precise packaging assures that your stainless steel 347 nuts arrive in perfect condition, ready for critical use, whether for small or bulk orders.
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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