Ed Stainless has built a solid reputation as a reliable manufacturer and supplier of Stainless Steel 348H Flanges in Houston, Texas, USA. Known for their commitment to quality and precision, Ed Stainless provides high-performance flanges that are perfect for high-temperature and corrosive settings. With a focus on customer satisfaction and strict adherence to global standards, the company delivers dependable solutions for a variety of industries, including oil & gas, petrochemicals, power generation, and beyond. They offer an extensive selection of SS 348H flange types, such as weld neck, slip-on, socket weld, and threaded flanges, ensuring durability, optimal performance, and timely delivery throughout the United States.
The Stainless Steel 348H flanges from Ed Stainless are crafted from a stabilized austenitic stainless steel alloy that includes Chromium (17-20%), Nickel (8-11%), and Columbium for stabilization. The carbon content (0.04–0.10%) boosts their strength at high temperatures. These flanges boast impressive mechanical properties, featuring a minimum tensile strength of 515 MPa, a minimum yield strength of 205 MPa, and an elongation of 40%. Their exceptional resistance to creep and stress rupture makes them ideal for elevated-temperature applications. Plus, they are corrosion-resistant, ensuring long-lasting durability even in harsh oxidizing and chemical 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 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.
Ed Stainless’s Stainless Steel 348H Flanges are commonly utilized in high-temperature and high-pressure settings due to their remarkable mechanical strength and corrosion resistance. Typical applications include heat exchangers, pressure vessels, boilers, chemical processing equipment, and components for nuclear reactors. They also find use in refinery units, aerospace structures, and thermal power plants. Their ability to resist intergranular corrosion and handle thermal cycling makes them perfect for environments with frequent temperature changes. With compliance to ASME, ASTM, and ANSI standards, Ed Stainless guarantees that its 348H flanges meet essential performance requirements.
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