Aditya Stainless is a reliable manufacturer and supplier of top-notch Stainless Steel 348H Flanges based in Kolkata, India. We pride ourselves on our commitment to quality and precision, offering a diverse selection of SS 348H Flanges, including slip-on, blind, weld neck, socket weld, and threaded types to cater to various industrial needs. Renowned for their outstanding high-temperature performance and resistance to corrosion, our flanges are perfect for critical applications across multiple sectors. With state-of-the-art manufacturing facilities and a team of skilled professionals, Aditya Stainless guarantees superior products that meet international standards. We are the go-to choice for Stainless Steel 348H Flanges in India and around the globe.
Stainless Steel 348H Flanges are made from an austenitic stainless steel that’s stabilized with columbium (niobium), specifically designed for high-temperature applications. The chemical makeup consists of about 18-20% Chromium and 8-11% Nickel, with added Columbium and Tantalum to boost stability. These flanges boast impressive mechanical properties, including a minimum tensile strength of 515 MPa, a yield strength of at least 205 MPa, and an elongation of 40% over 50mm. SS 348H Flanges are known for their excellent resistance to intergranular corrosion and their ability to maintain strength at elevated temperatures, making them ideal for high-stress and thermal applications.
| 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 348H | 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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SS 348H blind flanges are designed to seal the end of pipes, providing a strong, corrosion-resistant barrier in high-temperature applications. They ensure system integrity and are ideal for maintenance and pressure containment.
SS 348H ring-type joint flanges offer superior sealing in high-pressure and high-temperature applications. Their precision-engineered design ensures leak-proof connections, making them ideal for demanding environments in industries like petrochemical and aerospace.
SS 348H forged flanges provide exceptional strength and durability, ideal for high-temperature and corrosive environments. Their forged construction ensures high structural integrity and reliability in critical industrial applications and piping systems.
We carry out robust quality tests on stainless steel 348H flanges to provide superior performance and reliability. The products undergo extensive inspection in-house. We facilitate third-party to facilitate when they are needed. Our focus is always on timely delivery to ensure our clients receive their orders without compromising quality or performance.
Stainless Steel 348H Flanges are widely utilized in various industries, including chemical processing, oil and gas, power generation, heat exchangers, and high-temperature pipelines. In Kolkata and beyond, these flanges are favored for their reliability in high-temperature and high-pressure settings. They are commonly found in boilers, superheaters, furnace components, and catalytic converter systems, where resistance to oxidation and creep strength is essential. Additionally, SS 348H Flanges are also used in the petrochemical and food processing industries, providing exceptional durability and performance even in the most demanding operational conditions.
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