ASTM A350 LF2 low-temperature carbon steel (LTCS) long weld neck flanges are designed for applications in low-temperature environments where maintaining structural integrity and strength is crucial. These flanges are made from ASTM A350 LF2 carbon steel, which provides excellent performance at temperatures as low as -50°F (-45°C). The long weld neck design features an extended, tapered hub that allows for a smooth transition from the pipe to the flange. This design not only distributes stress more evenly, reducing the risk of flange failure, but also provides a robust and leak-proof connection. Long weld neck flanges are commonly used in industries such as oil and gas, chemical processing, and power generation, where they facilitate secure and reliable connections under demanding conditions.
| Property | Details |
|---|---|
| Material | ASTM A350 LF2 Low-Temperature Carbon Steel |
| Standards | ASTM A350 LF2, ANSI/ASME B16.5 |
| Type | Long Weld Neck Flange |
| Dimensions | Available in various sizes |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900 |
| Temperature Rating | Suitable for low-temperature applications |
| Surface Finish | Smooth, precision-machined |
| Flange Face | Can be flat face or raised face |
| Design | Long tapered hub for stress distribution |
| Applications | Oil and gas, chemical processing, power generation |
| Advantages | Robust, leak-proof connection, stress distribution |
| Function | Provides a strong, smooth connection for low-temperature applications |
| Connection Type | Welded to the pipe end |
| 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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