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Weston Stainless, Midland, UK, is a top provider of premium stainless steel products, providing robust and precision-crafted solutions for industrial use. Their Stainless Steel 347 Stud Bolts are made from columbium-stabilized austenitic stainless steel, which offers superior resistance to intergranular corrosion, oxidation, and high-temperature conditions. Fully threaded, double-ended, and tap-end configurations are available in these stud bolts, which provide secure fastening in critical uses. With greater strength, weldability, and resistance to carbide precipitation, SS 347 stud bolts are most suitable for industries that need dependable performance in harsh thermal and corrosive environments.
Stainless Steel 347 Stud Bolts have 17-19% chromium, 9-13% nickel, and columbium (niobium) for greater stability against carbide precipitation and high-temperature oxidation. These stud bolts possess a tensile strength of 515 MPa, yield strength of 205 MPa, and elongation of 40%. Their hardness is about 95 HRB. Their physical properties are a density of 7.9 g/cm³, melting point of 1400°C, and thermal conductivity of 16.3 W/m-K, which guarantees high heat resistance, toughness, and mechanical stability in harsh 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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Designed for high-temperature and corrosive environments, providing robust strength and resistance to oxidation, making them perfect for securing heavy machinery and structural components.
Engineered for high-temperature exhaust systems, offering exceptional resistance to heat and corrosion. They ensure durable, reliable performance in demanding automotive and industrial applications.
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.
Stainless Steel 347 Stud Bolts find extensive application in aerospace, petrochemical, power generation, and marine sectors. Their higher oxidation and corrosion resistance properties qualify them for applications at high temperatures like heat exchangers, exhaust manifolds, boilers, and refinery hardware. These stud bolts also find applications in chemical processing plants, pressure vessels, and food processing equipment where they need to resist aggressive chemicals and high temperatures. Their good mechanical properties and durable long-lasting performance qualify them as a good choice for industrial fastening jobs under high stresses.
Weston Stainless issues test certificates such as Mill Test Certificates (MTC) according to EN 10204 3.1 in accordance with international quality standards. The stud bolts are properly packed in wood crates, bubble wrap, or carton boxes to be safe while in transit. Weston Stainless offers effective logistics covering an efficient supply system for fast and reliable global delivery meeting industrial requirements precisely and safely.
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