ASTM A182 F9 alloy steel ring type joint (RTJ) flanges are specialized flanges designed to handle high-pressure and high-temperature applications. These flanges feature a precisely machined groove in the flange face, where a metal ring gasket is seated to form a seal. This design ensures a secure and leak-proof connection, making them ideal for critical applications in the petrochemical, oil and gas, and power generation industries. The use of F9 alloy steel provides excellent strength, heat resistance, and corrosion resistance, making these flanges suitable for harsh operating environments. RTJ flanges are typically used in pipelines, valves, and other equipment where the integrity of the seal is paramount.
| Property | Details |
|---|---|
| Material | Grade F9 Alloy Steel |
| Standards | ASTM A182, ANSI/ASME B16.5 |
| Type | Ring Type Joint Flange |
| Dimensions | Custom sizes available |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500 |
| Temperature Rating | Up to 593°C (1100°F) for Grade F9 |
| Surface Finish | Smooth, precision-machined |
| Groove Type | Ring Type Joint |
| Thickness | As per ANSI/ASME standards |
| Applications | Petrochemical, power generation, oil and gas |
| Advantages | High strength, excellent sealing capability |
| Function | Ensuring leak-proof connections |
| Manufacturing | Precision-machined for accurate dimensions |
| Ordering Information | Specify material grade, size, pressure class |
| Suppliers | McMaster-Carr, Grainger, Swagelok, Penn Stainless Products |
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