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Lecong Stainless stands out as a top-notch manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality Stainless Steel 347 Stud Bolts. These bolts are celebrated for their remarkable strength, resistance to corrosion, and ability to withstand high temperatures. Made from titanium-stabilized austenitic stainless steel, Stainless Steel 347 is specifically engineered to fend off intergranular corrosion while maintaining its mechanical integrity, even when exposed to elevated temperatures for extended periods. Each stud bolt is meticulously crafted to adhere to international standards, ensuring they are dependable for critical fastening tasks across power generation, petrochemical, and industrial sectors. Lecong Stainless is committed to delivering superior quality through cutting-edge manufacturing processes and rigorous quality control.
The composition of Stainless Steel 347 Stud Bolts includes iron, chromium (17–19%), nickel (9–13%), titanium for stabilization, along with manganese, silicon, and carefully controlled carbon levels. The addition of titanium helps prevent carbide precipitation during welding, enhancing corrosion resistance and ensuring long-lasting stability. These bolts boast impressive mechanical properties, featuring a tensile strength ranging from 515 to 750 MPa, yield strength between 205 and 275 MPa, and outstanding creep and oxidation resistance at temperatures up to 700°C. Thanks to their austenitic structure, they offer excellent toughness, dimensional stability, and durability, even in high-stress and high-temperature environments.
| 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 |
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Stainless Steel 347 stud anchor bolts are designed for high-temperature and corrosive environments, providing robust strength and resistance to oxidation, making them perfect for securing heavy machinery and structural components.
Stainless Steel 347 stud exhaust bolts are engineered for high-temperature exhaust systems, offering exceptional resistance to heat and corrosion. They ensure durable, reliable performance in demanding automotive and industrial applications.
Stainless Steel 347 hex stud bolts provide exceptional strength and resistance to high temperatures and corrosion, making them ideal for demanding industrial, aerospace, and high-pressure applications requiring durable and reliable fasteners.
Lecong Stainless ensures quality in the form of high-grade stainless steel 347 stud bolts. Testing is performed for hardness, spectro analysis, PMI, flaring, micro, macro, pitting resistance, and IGC. Commercial invoices, packaging lists, and Certificates of Origin accompany all shipments for full documentation. The third-party inspection certificates ensure quality and reliability and give assurance that the products supplied will satisfy our customers.
Stainless Steel 347 Stud Bolts find their place in various industries that demand robust, corrosion-resistant, and heat-resistant fastening solutions. They are commonly used in boilers, heat exchangers, reactors, and high-pressure piping systems. In the chemical and petrochemical sectors, these bolts are perfect for process equipment, storage tanks, and structural assemblies that face harsh conditions. Their ability to perform well at high temperatures also makes them suitable for applications in aerospace, marine, and power generation. Furthermore, Stainless Steel 347 Stud Bolts are utilized in food processing and pharmaceutical equipment, where corrosion resistance and reliability are of utmost importance. Their strength, stability, and durability ensure they stand the test of time.
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