Home > Stainless Steel Flanges >Stainless Steel 347 Flanges
| 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) |
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| 347 | 0.08 | 2.0 | 1.0 | 0.045 | 0.030 | 17.00 – 20.00 | 10xC – 1.10 | 9.00 – 13.00 | 62.74 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 | ||||
| 347 | 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 every one of 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 347 Flanges conforming to DIN, ISO, JIS or ANSI Standard.
High-Temperature Resistance: Stainless steel 347 is engineered for high-temperature service and delivers outstanding resistance to intergranular corrosion and oxidation at temperatures reaching up to 800-1500°F (427-816°C). This makes 347 flanges well suited for use in settings where high temperatures pose a challenge, including heat exchangers, refinery furnaces, and high-temperature machinery.
Easy to manufacture: Stainless steel 347 is remarkably simple to manufacture, weld and fabricate, permitting intricate shapes and structures with precise dimensions and tight tolerances. This makes it straightforward to install, position and repair, cutting overall costs and downtime.
Strength and durability: 347 stainless steel maintains its mechanical properties at elevated temperatures, offering excellent strength and durability even under extreme conditions. This makes 347 flanges robust and dependable for use in complex applications where technical integrity is essential.
Chemical stability: Stainless steel 347 is stabilized with niobium (columbium), boosting its intergranular corrosion resistance. This stabilizer makes it appropriate for use in corrosive chemical environments or where chemical controls are common, such as chemical plants and oil refineries.
Corrosion resistance: Like other stainless steel alloys, 347 demonstrates excellent corrosion resistance relative to many other materials. Containing chromium and nickel, it develops an inert oxide layer on the steel surface, delivering corrosion protection in harsh environments under high acid and chloride conditions.
Stainless Steel 347 Flanges offer outstanding mechanical properties and withstand 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 applications facing harsh operating conditions, including high temperatures, high pressures, and corrosive surroundings.
Chemical applications: Stainless steel 347 flanges see frequent use in chemical plants that handle hot chemicals and elevated temperatures. Because they resist intergranular corrosion, they are well suited to these conditions.
Power generation: Stainless steel 347 flanges serve in power plants across a range of applications, including steam turbines, boiler feedwater heaters, and exhaust systems, where they endure high temperature and pressure conditions
Aerospace: Stainless steel 347 finds use in aerospace applications thanks to its ability to withstand high temperatures and corrosive environments. Flanges built from this material appear in aircraft exhaust systems, turbine engines, and other critical applications.
Oil and Gas Industry: Stainless steel 347 flanges are applied in pipelines and valve fittings within the oil and gas industry, where equipment faces harsh environments and high-pressure conditions
High Temperature: These flanges are well suited to settings where high temperatures are frequent, such as heat exchangers, boilers, and furnace components. Stainless steel 347 maintains its strength and corrosion resistance during heat transfer in the sky.
Corrosion Resistance: Stainless Steel 347 is engineered to resist intergranular corrosion, which makes it appropriate for intended uses in corrosive settings. It guarantees that the flange you select offers adequate corrosion resistance for your particular operating conditions.
Size and thickness: Select flanges that correspond to the thickness and thickness of your piping system or appliance. Verify that the flange has the proper bore size, thickness, and bolt-hole layout for straightforward installation and correct assembly.
Stress Analysis: Take into account the stress levels of stainless steel 347 flanges to confirm they can handle your system’s stress conditions without the danger of failure or drop. Match the pressure in the flange against your piping or equipment requirements.
Thermal Resistance: Stainless steel 347 offers outstanding resistance to elevated temperatures, which makes it appropriate for high-temperature uses such as heat exchangers, boilers, air filters, etc. Confirm that the flanges can endure the heat of your application without weakening their mechanical properties.
Mail: sales@koasteel.nz
