Quan Flanges and Plates, a top-notch manufacturer and supplier based in Da Nang, Vietnam, offers high-quality Stainless Steel 348H Flanges that are built to last. These flanges are designed for outstanding durability, strength, and the ability to withstand high temperatures. As a stabilized stainless steel grade with a higher carbon content, SS 348H flanges are crafted to provide enhanced creep strength and structural stability, even when exposed to elevated temperatures for extended periods. Manufactured according to international standards, the Stainless Steel 348H Flanges from Quan Flanges and Plates guarantee secure, leak-proof, and long-lasting connections for piping systems across a variety of demanding industrial applications.
These flanges are made from a blend of chromium and nickel stainless steel, featuring titanium stabilization and a higher carbon content compared to SS 348. The addition of titanium helps prevent carbide precipitation, which in turn offers resistance to intergranular corrosion. Plus, the increased carbon content boosts creep strength and mechanical stability in high-temperature environments. On a mechanical level, they deliver impressive tensile and yield strength, toughness, and oxidation resistance, ensuring reliable performance in both cryogenic and high-temperature conditions.
| 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) |
Quan Flanges, a leading supplier in Da Nang, Vietnam, 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 utilized in industries where long-term performance in extreme temperatures is essential. Power generation plants, boilers, heat exchangers, and furnace components depend on their creep resistance and durability. The chemical and petrochemical sectors use them for high-temperature processing of aggressive substances. Oil and gas refineries, as well as marine and offshore industries, benefit from their exceptional corrosion resistance in tough environments. With their superior strength, thermal stability, and resistance to intergranular corrosion, Stainless Steel 348H Flanges are a dependable choice for high-performance and critical piping systems.
| 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 Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.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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