ASTM A182 Gr F9 alloy steel lap joint flanges are specifically designed for applications that require frequent disassembly and inspection. These flanges are commonly used in systems where the piping is made of expensive material, and it is preferable to avoid welding directly to the pipe. Made from ASTM A182 Grade F9 alloy steel, these lap joint flanges offer excellent resistance to high temperatures and corrosive environments. They are particularly useful in industries such as petrochemical, oil and gas, and power generation. The lap joint design includes a stub end that is welded to the pipe, while the flange itself is free to rotate around the pipe, which simplifies bolt alignment and assembly. These flanges are available in various pressure ratings and sizes to meet diverse application requirements.
| Property | Details |
|---|---|
| Material | ASTM A182 Grade F9 Alloy Steel |
| Standards | ANSI/ASME B16.5 |
| Type | Lap Joint 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 |
| Installation | Requires a stub end for welding to the pipe |
| Advantages | Easy alignment and assembly, reusable flanges |
| 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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