Ranya Stainless, a leading manufacturer and supplier based in Muscat, Oman, provides high-quality Stainless Steel 348H Flanges designed for demanding high-temperature and high-pressure applications. Known for their exceptional corrosion resistance, creep strength, and durability, these flanges are crafted using advanced manufacturing processes to ensure precision and long-lasting performance. They are widely used in industries where mechanical stability and oxidation resistance are critical. Serving sectors such as power generation, petrochemical, and industrial processing, Ranya Stainless delivers reliable flanges that meet international standards and offer dependable solutions for a variety of engineering applications.
Stainless Steel 348H Flanges are composed mainly of iron, chromium, nickel, and molybdenum, with carefully controlled carbon content to improve high-temperature strength. This austenitic stainless steel grade provides excellent creep resistance, tensile strength, and hardness at elevated temperatures. It also offers superior corrosion and oxidation resistance, maintaining dimensional stability under thermal stress. The mechanical properties, including toughness, ductility, and resistance to scaling, make these flanges ideal for high-pressure and high-temperature environments, ensuring consistent performance and reliability in critical industrial systems.
| 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.
These flanges are widely used in industries that require components resistant to high temperatures and pressures. They are commonly applied in power plants, petrochemical refineries, chemical processing units, and boilers. Stainless Steel 348H Flanges are also suitable for heat exchangers, pressure vessels, piping systems, and industrial furnaces. With excellent resistance to creep, oxidation, and corrosion, these flanges provide safe and efficient operation in demanding environments. Their reliability and structural integrity make them ideal for oil and gas, power, chemical, and heavy engineering industries where durability, safety, and high performance are essential.
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