The ASTMÂ F304L Stub End is a type of pipe fitting used to connect a pipe to a flange or other fittings. It features a short length of pipe with a flange face that allows for easy attachment to a corresponding flange, facilitating a secure and leak-proof connection. Made from F304L stainless steel, the stub end provides excellent resistance to corrosion and high temperatures, making it suitable for applications in chemical processing, oil and gas, and power generation. Its low carbon content reduces the risk of carbide precipitation during welding, ensuring reliability and durability in welded applications. The stub end is designed to accommodate different flange types and sizes, providing flexibility in piping systems.
| Property | Details |
|---|---|
| Standard | ASTM |
| Material | Stainless Steel F304L |
| Chemical Composition | Chromium (Cr): 18-20%<br>Nickel (Ni): 8-12%<br>Carbon (C): Max 0.03%<br>Manganese (Mn): Max 2%<br>Silicon (Si): Max 1%<br>Phosphorus (P): Max 0.045%<br>Sulfur (S): Max 0.03% |
| Mechanical Properties | Tensile Strength: Min 485 MPa (70,000 psi)<br>Yield Strength: Min 170 MPa (25,000 psi)<br>Elongation: Min 35% |
| Type | Stub End |
| Connection Type | Flanged |
| Size Range | 1/2″ to 24″ |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 |
| Applications | Chemical processing, oil and gas, power generation |
| Manufacturing | Machined, heat-treated |
| Advantages | High strength, corrosion resistance, flexible connection |
| Ordering Information | Specify size, connection type, and pressure class |
| Suppliers | McMaster-Carr, Grainger, Penn Stainless Products |
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