Home > Stainless Steel Flanges >Stainless Steel 347H Flanges
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 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) |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| 347H | 0.04 – 0.10 | 2.0 | 1.0 | 0.045 | 0.030 | 17.00 – 19.00 | 8xC – 1.10 | 9.00 – 13.00 | 63.72 min |
Grade
| Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 35 | 92 | 201 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for all your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
Reach out to us for a fast quote tailored to your needs.
We supply these Stainless Steel 347H Flanges conforming to DIN, ISO, JIS or ANSI Standard.
High-temperature resistance: Stainless steel 347H is engineered for use in high-temperature settings. It delivers outstanding resistance to elevated temperatures and thermal stability, making it well-suited for environments where extreme heat is a concern.
Durability and longevity: Owing to its rugged build and resistance to a range of corrosive agents, the stainless steel 347H flange delivers outstanding longevity. It endures severe operating conditions without sacrificing performance, cutting down on maintenance needs and long-term replacement expenses.
Stability under welded conditions: Stainless steel 347H is stabilized using niobium, which delivers intergranular corrosion resistance following exposure to temperatures within the sensitivity range during welding or other heating operations. This stabilization improves weldability and safeguards the flange’s integrity in the welded condition.
Creep Resistance: Stainless steel 347H demonstrates superior creep resistance at elevated temperatures compared to standard austenitic stainless steel. This characteristic is especially fitting for applications involving sustained high temperatures, such as the petrochemical and refining industries.
Corrosion Resistance: Among the most significant benefits of stainless steel, 347H included, is its corrosion resistance. These flanges offer strong resistance to corrosion from a variety of chemicals, acids and weather conditions, guaranteeing durability and reliability in demanding environments.
Stainless Steel 347H Flanges possess outstanding mechanical properties and hold up against wear, corrosion, and elevated temperatures, making them common across many industries. These flanges see extensive use in the oil and gas, petrochemical, power generation, and aerospace sectors. They serve a key role in connecting equipment, valves, and piping systems. Their remarkable strength, toughness, and resistance to wear make them ideal for uses that face harsh operating conditions, including high temperatures, elevated pressures, and corrosive surroundings.
Petrochemical Industry: Stainless steel 347H flanges are commonly employed in the petrochemical sector for piping networks, reactors, heat exchangers, and other equipment that operates at elevated temperatures and in hot conditions.
Power generation: Power plants, both conventional and nuclear, rely on stainless steel 347H flanges in steam turbines, boilers, heat exchangers, and other vital components. The strong resistance and creep performance of these flanges are crucial for guaranteeing dependable and efficient power generation systems.
Chemical applications: In chemical plants, stainless steel 347H flanges serve in pipes, vessels, and equipment that handle volatile chemicals, solvents, and acids. Their resistance to corrosion and stability at high temperatures make them well suited for preserving system integrity and ensuring safety.
Maintenance Applications: Industrial uses of stainless steel 347H flanges in demanding applications such as distillation columns, furnaces, and catalytic systems. These flanges endure high temperatures and corrosive environments during crude oil refining and the processing of various petroleum products.
Understand operational requirements: Determine the operating conditions, such as temperature, pressure, water/air concerns, corrosion likelihood and other environmental factors. This detail will help you select flanges with the appropriate materials, pressure references, and corrosion resistance.
Flange Dimensions and Standards: State the flange dimensions, such as thickness, face type (e.g., raised face, flat face, ring type joint), and flange class or pressure rating (e.g., ANSI/ASME B16.5, ANSI ). /ASME B16) and 47 Series A or B). Verify compatibility with existing pipeline components and comply with industry standards.
Pressure and Temperature Ratings: Take into account your application’s pressure and temperature needs. Choose flanges rated to withstand maximum operating pressure and temperature conditions to guarantee safe and dependable operation.
Accessories: Confirm the stainless steel 347H works with the water or air piping. The flange material must also satisfy the requirements for chemical resistance, thermal stability and corrosion resistance in the intended environment.
E-mail: sales@koasteel.nz
