Faizan Flanges, a trusted manufacturer and supplier in Doha, Qatar, delivers high-performance flange solutions designed for demanding industrial environments. Stainless Steel 348H Flanges are specifically developed for high-temperature applications where strength, stability, and corrosion resistance are essential. Manufactured with precision and strict quality standards, these flanges provide secure and long-lasting connections in critical piping systems. At Faizan Flanges, the focus goes beyond manufacturing—each product is crafted to support safe operations, reduced downtime, and dependable performance. SS 348H flanges are a reliable choice for industries that operate under heat, pressure, and continuous service conditions.
Stainless Steel 348H Flanges are composed of iron, chromium (17–19%), nickel (9–13%), and niobium with tantalum, offering stabilization against carbide precipitation. The higher carbon content (“H” grade) enhances creep strength and tensile performance at elevated temperatures. Mechanically, SS 348H flanges exhibit excellent yield strength, tensile strength, and toughness, along with good ductility. These properties ensure resistance to thermal fatigue, oxidation, and corrosion, making them suitable for high-pressure and high-temperature applications where long-term structural integrity is required.
| 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) |
Faizan Flanges, a leading supplier in Doha, Qatar, offers an extensive selection of Stainless Steel 348H Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Stainless Steel 348H Flanges are widely used in industries where high-temperature strength and corrosion resistance are critical. They are commonly applied in petrochemical plants, oil and gas facilities, power generation units, and heat treatment systems. These flanges are ideal for boilers, heat exchangers, superheaters, and high-pressure steam lines. Their stabilized structure allows them to perform reliably in welded assemblies exposed to prolonged heat. Faizan Flanges supplies SS 348H flanges to ensure safe, leak-proof connections that enhance system efficiency, reduce maintenance requirements, and support continuous industrial operations.
| 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 % |
Yes, we offer custom sizes for Stainless Steel 348H Flanges to meet specific project needs. Our team at Faizan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@faizanflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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