ASTM A182 Gr F9 alloy steel weld neck flanges are designed for high-pressure and high-temperature applications. These flanges are characterized by their long tapered hub, which provides excellent stress distribution and resistance to dishing. Made from ASTM A182 Grade F9 alloy steel, they offer superior strength and corrosion resistance, making them ideal for use in harsh environments such as power generation, petrochemical, and oil and gas industries. The F9 grade alloy steel contains chromium and molybdenum, which enhance its mechanical properties and ability to withstand extreme conditions. Weld neck flanges are typically used in situations where the conditions are severe, and their robust design ensures a strong and leak-proof connection to the pipe.
| Property | Details |
|---|---|
| Material | ASTM A182 Grade F9 Alloy Steel |
| Standards | ANSI/ASME B16.5, B16.47, B16.11 |
| Type | Weld Neck Flange |
| Flange Dimensions | Custom sizes available |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 |
| Temperature Rating | Up to 593°C (1100°F) for ASTM A182 Grade F9 |
| Surface Finish | Smooth, precision-machined |
| Installation | Welded connection |
| Advantages | High strength, excellent stress distribution, leak-proof |
| Applications | Power generation, petrochemical, oil and gas |
| 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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