Request For Our Latest Prices On SS 347H Nuts in Kinshasa, Congo!
MUKAU FASTENERS, a prominent manufacturer and supplier located in Kinshasa, Congo, specializes in top-notch Stainless Steel 347H Nuts that are crafted for outstanding strength and heat resistance. These nuts are built to perform reliably in high-temperature and corrosive settings, making them perfect for tough industrial tasks. Using cutting-edge technology and high-quality raw materials, Stainless Steel 347H Nuts deliver excellent mechanical performance, durability, and precise dimensions. MUKAU FASTENERS adheres to international standards, providing these nuts to sectors like petrochemical, power generation, aerospace, and construction, where dependable and long-lasting fastening solutions are a must.
Stainless Steel 347H Nuts are austenitic stainless steel fasteners that are stabilized with niobium and contain 17–19% chromium, 9–13% nickel, and 0.04–0.10% carbon. This unique composition boosts their high-temperature strength, resistance to intergranular corrosion, and oxidation. They showcase a tensile strength of 550–750 MPa, a yield strength of about 240 MPa, and impressive creep resistance at elevated temperatures. The niobium stabilization helps prevent carbide precipitation during welding and heat exposure, ensuring they maintain structural integrity and reliable performance in high-temperature, pressure, and corrosive environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347H | min. | 0.04 | – | – | – | – | 17.0 | 3.00 | 9.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.030 | 19.0 | 4.00 | 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 | ||||
| 347H | 515 | 205 | 40 | 92 | 201 |
| 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 nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
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 347H Nuts find extensive use in high-temperature and corrosive applications where strength and stability are vital. They are perfect for heat exchangers, boilers, pressure vessels, turbine components, exhaust manifolds, and chemical processing equipment. Their resistance to oxidation and creep makes them ideal for petrochemical plants, refineries, and power generation systems. Moreover, these nuts are also employed in aerospace, marine, and food processing industries due to their exceptional durability and corrosion resistance. MUKAU FASTENERS’ Stainless Steel 347H Nuts are truly a reliable choice for demanding applications.
We maintain strict quality standards for our stainless steel 347H nuts, modeled by our carefully designed packaging. Our commitment extends to advanced packaging, with trade. We provide EN 10204/3.1b certificates, PMI test certificates, and 100% radiography test reports. Additionally, third-party inspection certificates further affirm our dedication to quality and reliability. We ensure that our products are securely protected during transit, arriving in optimal condition to meet the precise requirements of our customers.
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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