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MUKAU FASTENERS is a well-respected manufacturer and supplier located in Kinshasa, Congo, known for crafting high-quality Stainless Steel 347 Stud Bolts that excel in high-temperature and corrosive settings. These stud bolts are enhanced with niobium, which provides outstanding resistance to intergranular corrosion even after being subjected to high temperatures. MUKAU FASTENERS guarantees that every Stainless Steel 347 Stud Bolt adheres to international quality standards, ensuring remarkable durability, strength, and precise dimensions. Perfect for applications in heat exchangers, chemical plants, and power generation systems, these bolts offer dependable fastening solutions for demanding industrial environments that require lasting performance and stability.
Stainless Steel 347 Stud Bolts are made up of 17–19% chromium, 9–13% nickel, and niobium (columbium) for stabilization, along with a low carbon content of about 0.08%. This unique blend gives them exceptional resistance to sensitization and intergranular corrosion. The alloy boasts a tensile strength ranging from 515–700 MPa, a yield strength of approximately 205 MPa, and impressive elongation and hardness. Stainless Steel 347 Stud Bolts maintain their mechanical stability even at elevated temperatures, showcasing excellent oxidation resistance, high creep strength, and resilience against carbide precipitation during prolonged exposure to high-heat industrial conditions.
| Grade | Stainless Steel 347, 347H |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Grade | Yield Strength 0.2% Proof (MPa) min | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347 | 205 | 515 | 40 | 95 | 201 |
| Grade | Density (kg/m3) | Specific Heat 0-1000C (J/kg.K) | Electrical Resistivity (n.m) | Elastic Modulus (GPa) | Mean Coefficient of Thermal Expansion (m/m/0C) | Thermal Conductivity (W/m.K) | |||
| 0-1000C | 0-3150C | 0-5380C | at 1000C | at 5000C | |||||
| 347 | 8000 | 500 | 720 | 193 | 17.2 | 17.8 | 18.4 | 16.2 | 21.5 |
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 Stud Bolts find extensive use in the petrochemical, power generation, chemical processing, and refinery sectors due to their remarkable heat and corrosion resistance. They are particularly suited for boilers, heat exchangers, pressure vessels, exhaust systems, and furnace components, where they often face long-term high-temperature exposure. Additionally, these stud bolts are employed in aerospace, marine, and food processing equipment, providing stability under stress and in oxidizing environments. The niobium stabilization ensures they perform reliably in these challenging conditions.
We carefully assemble our stainless steel 347 stud bolts at Mukau Fasteners to ensure they arrive in perfect condition. Our packaging uses durable materials and safe processes to protect the bolts from damage during transportation and handling. Each product is carefully detailed for easy identification and proper handling. Whether for small or bulk orders, our precise packaging assures that your stainless steel 347 stud bolts will be delivered intact and ready to be used in demanding applications.
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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