Adam Stainless is your go-to source for top-notch **Stainless Steel 348H flanges** right from Canberra, Australia. These flanges are crafted to deliver outstanding strength, impressive corrosion resistance, and excellent heat stability, making them perfect for high-temperature industrial settings. Built to meet strict international standards, they boast precise dimensions, smooth surfaces, and dependable sealing performance. When it comes to critical piping systems that face extreme temperatures and harsh environments, Adam Stainless’s Stainless Steel 348H flanges are the ideal choice, ensuring durability and safety for the long haul.
Stainless Steel 348H is a high-carbon version of grade 348, featuring about 18% chromium, 8–11% nickel, along with trace amounts of niobium (columbium) and tantalum. The higher carbon content boosts creep strength and thermal stability, while niobium helps prevent carbide precipitation, which minimizes the risk of intergranular corrosion during extended exposure to high temperatures. On the mechanical side, Stainless Steel 348H offers a tensile strength ranging from 515 to 620 MPa and a yield strength of around 205 MPa, with impressive oxidation resistance up to 900°C.
| 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.
These flanges find their place in various industries, including **power generation, chemical processing, petroleum refining, aerospace, and heat treatment**. They’re perfect for **high-temperature piping, boilers, heat exchangers, and furnace components**, where strong, corrosion-resistant connections are a must. With Adam Stainless’s Stainless Steel 348H flanges, you can count on durable, leak-proof joints that maintain their integrity and performance even under intense thermal and mechanical stress, making them a top choice for demanding industrial applications.
SS 348H Flanges are widely used in high-temperature and corrosive environments. Including petrochemical, aerospace and power generation industries. They are ideal for applications such as gas and steam turbines, heat exchangers and reactor systems. Due to their resistance to oxidation and high mechanical strength. These flanges are also employed in chemical processing and marine environments where durability and reliability under extreme conditions are essential. Their resistance to sulfuric and nitric acids makes them suitable for challenging industrial processes
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