A182 Gr F91 Alloy Steel Long Weld Neck Flanges are designed for high-pressure and high-temperature applications, offering a robust connection between pipes and equipment. These flanges are characterized by their long neck, which provides reinforcement and minimizes stress at the flange connection, making them suitable for critical systems in industries such as power generation, petrochemical, and oil and gas. Manufactured from Grade F91 alloy steel, these flanges exhibit exceptional strength, durability, and resistance to thermal and mechanical stress, ensuring reliable performance under demanding conditions. They meet ASTM A182 standards, guaranteeing high quality and consistency.
| Property | Details |
|---|---|
| Material | Grade F91 Alloy Steel |
| Standards | ASTM A182, ANSI/ASME B16.5 |
| Type | Long Weld Neck Flange |
| Dimensions | Available in various sizes |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 |
| Temperature Rating | Suitable for high-temperature applications |
| Surface Finish | Smooth, precision-machined |
| Applications | Power generation, oil and gas, petrochemical |
| Advantages | Reduces stress concentration, high strength |
| Function | Provides a robust connection between pipes and equipment |
| Connection Type | Welded connection |
| Manufacturing | Precision-machined for accurate fitting |
| Ordering Information | Specify material grade, size, pressure class |
| Suppliers | McMaster-Carr, Grainger, Swagelok, Penn Stainless Products |
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