ASTM A182 Gr F9 alloy steel long weld neck flanges are designed for high-pressure and high-temperature applications. These flanges are an extension of the pipe and are used to reduce stress concentrations at the base of the flange. Made from ASTM A182 Grade F9 alloy steel, they offer excellent mechanical properties and corrosion resistance, making them suitable for demanding environments in the petrochemical, oil and gas, and power generation industries. The long neck provides additional reinforcement and helps maintain the integrity of the connection. These flanges are ideal for use in environments where high strength and durability are required. Available in various sizes and pressure ratings, they ensure a reliable and leak-proof connection.
| Property | Details |
|---|---|
| Material | ASTM A182 Grade F9 Alloy Steel |
| Standards | ANSI/ASME B16.5, B16.47 |
| Type | Long Weld Neck Flange |
| 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 ASTM A182 Grade F9 |
| Surface Finish | Smooth, precision-machined |
| Neck Length | Extended length for additional reinforcement |
| Advantages | Reduces stress concentrations, high strength, durable |
| Applications | Petrochemical, power generation, 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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