ASTM A182 Grade F11 alloy steel long weld neck flanges are designed for high-pressure and high-temperature applications where strong and reliable connections are critical. These flanges are manufactured from F11 alloy steel, which offers excellent strength and resistance to elevated temperatures. The long weld neck design provides a gradual transition from the flange to the pipe, reducing stress concentrations and enhancing the overall strength of the joint. This design is particularly useful in applications involving severe service conditions or cyclic loading. The long weld neck flange is welded to the pipe using a full penetration weld, ensuring a robust and leak-proof connection. These flanges are commonly used in industries such as petrochemical, chemical processing, and power generation.
| Property | Details |
|---|---|
| Material | Grade F11 Alloy Steel |
| Standards | ASTM A182, ANSI/ASME B16.5 |
| Type | Long Weld Neck 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 F11 |
| Surface Finish | Smooth, precision-machined |
| Design | Long neck for gradual transition and stress reduction |
| Thickness | As per ANSI/ASME standards |
| Applications | Petrochemical, chemical processing, power generation |
| Advantages | High strength; stress reduction; leak-proof connection |
| Function | Provides a strong, leak-proof connection with gradual transition |
| 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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