Weston Stainless, situated in Midland, UK, is a reliable supplier of high-grade stainless steel products, including flanges, fasteners, and industrial parts. Among their high-end products, Stainless Steel 348 Flanges stand out for their superior corrosion resistance, high-temperature stability, and strength. These flanges come in different grades, with SS 348 being a niobium-stabilized austenitic stainless steel that avoids intergranular corrosion. They are available in various forms, such as slip-on, weld neck, blind, socket weld, and threaded flanges, to provide flexibility across various industries. Made of high-quality stainless steel, SS 348 Flanges possess excellent mechanical strength and resistance to oxidation, suitable for harsh applications.
Stainless Steel 348 Flanges contain 17-19% chromium, 9-13% nickel, and trace amounts of niobium, manganese, silicon, and carbon, making them more stable and resistant to corrosion. They exhibit excellent mechanical properties, with a tensile strength of approximately 550 MPa, a yield strength of around 220 MPa, and an elongation of 35%. The hardness ranges between 160-190 HB, ensuring high durability. Physically, SS 348 Flanges have a density of 7.93 g/cm³ and excellent thermal expansion and conductivity properties, making them suitable for high-temperature applications and extreme environments.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| SS 348 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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Stainless Steel 348 Flanges are widely used in industries demanding high heat resistance and structural integrity. They are frequently utilized in aerospace, chemical processing, power generation, and petrochemical industries because of their capability to withstand extreme temperatures and corrosive environments. These flanges are used to a major extent in pipelines, heat exchangers, boilers, nuclear reactors, and high-pressure vessels. Their superb oxidation resistance and weldability allow them to excel in offshore platforms, marine usage, and exhaust systems, maintaining long-term reliability and performance in demanding industrial environments.
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High-strength components designed for demanding applications. Made from stainless steel through a forging process, they offer superior durability, corrosion resistance, and reliability in high-pressure systems.
Stainless Steel 348 Flanges are provided with necessary test certificates such as Mill Test Certificates (MTC), third-party inspection reports, and documents of compliance to guarantee quality assurance. Packaging is done securely in wooden crates, bubble wraps, and carton boxes to prevent damage in transit. Deliveries are timely and effective, serving domestic as well as international customers with secure logistic support. Custom packaging and specifications are also available for industry-specific requirements, guaranteeing total customer satisfaction.
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