ALLOY STEEL GIRTH FLANGE HIGH-STRENGTH SA182 F11 FOR PRESSURE VESSEL
What is Girth Flange?
A girth flange is a type of flange used in piping systems to connect two pipes or components together securely. It is typically a ring or disc-shaped component with bolt holes around the perimeter that allow it to be bolted to another flange, pipe, or fitting. Girth flanges are commonly used in high-pressure and high-temperature applications where a leak-proof seal is essential.
The term “girth” refers to the circumference or outer edge of the flange, where the bolting arrangement is located. This design allows for even distribution of the bolts around the flange, ensuring a uniform and tight connection. The bolts are tightened to specific torque values to create a strong and reliable seal between the mating flanges.
Girth flanges are available in various sizes, pressure ratings, and materials to suit different application requirements. Common materials used to make girth flanges include carbon steel, alloy steel, stainless steel, and other specialized alloys depending on the operating conditions and fluid being conveyed.
Alloy steel girth flanges are commonly used in high temperature, high pressure applications in industries such as oil and gas, petrochemical, and power generation. These flanges are made from a high-strength alloy steel material that provides excellent resistance to corrosion, oxidation, and high temperatures.
Alloy steel girth flanges are typically used to connect pipes or valves together in a piping system, providing a secure and leak-proof seal. They come in various sizes, pressure ratings, and configurations to suit different application requirements.
Some common grades of alloy steel used to make girth flanges include ASTM A182 F5, F9, F11, F22, and F91, among others. These materials offer superior mechanical properties and are capable of withstanding extreme operating conditions.
Overall, alloy steel girth flanges are essential components in critical piping systems where strength, durability, and reliability are paramount. Proper selection and installation of these flanges ensure efficient operation and ety in industrial operations.
Girth Flanges' Material
| Carbon steel (A105, A266 CL2/CL4) |
| Plate material of Baffle plate: A36, SS440, A516 Gr60/70 |
| Low Temp Carbon steel (A350 LF2 CL1/CL2, LF3) |
| High Yield Carbon steel (A694 F52/F60/F65/F70) |
| Stainless steel (A182 F304/L, F304H, F310, F316/L, F317/L, F321/H, F347/H, F44) |
| Low alloy steel (A182 F1, F5, F9, F11 CL1/CL2/CL3, F12 CL1/CL2, F22 CL1/CL3, F23, F91, F92) |
| Duplex stainless steel ( A182 F51, F53, F60) |
| Alloy steel (Alloy 20, Alloy625/825/800) |
SA182 F11 Chemical Composition
| Grade | C | Mn | Si | S | P | Cr | Mo |
| ASTM A182 F11 | 0.05 - 0.15 | 0.3 - 0.6 | 0.5 - 1 | 0.03 | 0.03 | 1 - 1.5 | 0.044 - 0.65 |
SA182 F11 Mechanical Properties
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
| ASTM A182 F11 Flange | 205 | 415 | 20 |
SA182 F11 Material Equivalent
| STANDARD | UNS | WNR. |
| Alloy Steel F11 | K11597 | 1.7335 |
Applications:
- Oil and Gas Industry: Alloy steel girth flanges are used in pipelines for transporting crude oil, natural gas, and other petroleum products. These flanges are essential for connecting different sections of the pipeline and providing a secure seal to prevent leaks.
- Petrochemical Industry: In refineries and chemical processing plants, alloy steel girth flanges are used in piping systems to transport various chemicals and gases. These flanges help maintain the integrity of the piping system and ensure e operation.
- Power Generation: Alloy steel girth flanges are used in power plants for connecting boiler tubes, steam lines, and other high-pressure components. These flanges help in maintaining the efficiency and reliability of the power generation system.
- Process Industries: Alloy steel girth flanges find applications in various process industries such as food and beverage, pharmaceutical, and water treatment plants. They are used in piping systems for conveying process fluids and gases.
- Offshore and Marine Applications: Alloy steel girth flanges are utilized in offshore platforms, ships, and marine structures where they are exposed to harsh environmental conditions. These flanges provide a strong and leak-proof connection in marine piping systems.
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ALLOY STEEL GIRTH FLANGE high-strength SA182 F11 for PRESSURE VESSEL Images
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