The ASTM F310 Reducing Tee is a pipe fitting used to connect three pipes of different diameters in a tee configuration. Constructed from F310 stainless steel, this fitting is engineered for high-temperature and corrosive environments, providing exceptional resistance to oxidation and thermal expansion. The reducing tee enables the branching of pipes from a larger to a smaller diameter while maintaining a strong and reliable connection. It is commonly used in applications such as petrochemical plants, power generation facilities, and other industries where durability and performance under extreme conditions are essential.
| Property | Details |
|---|---|
| Standard | ASTM |
| Material | Stainless Steel F310 |
| Chemical Composition | Chromium (Cr): 24-26%<br>Nickel (Ni): 19-22%<br>Carbon (C): Max 0.08%<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 520 MPa (75,000 psi)<br>Yield Strength: Min 205 MPa (30,000 psi)<br>Elongation: Min 30% |
| Type | Reducing Tee |
| Connection Type | Welded or flanged connections |
| Size Range | Custom sizes available, typically from 1″ to 24″ |
| Pressure Rating | Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500 |
| Applications | Branching pipes of different sizes, high-temperature environments, petrochemical, power generation |
| Manufacturing | Machined, heat-treated |
| Advantages | High-temperature resistance, oxidation resistance, allows for size transitions in piping systems |
| Ordering Information | Specify sizes of both the larger and smaller diameter, pressure class, and connection type |
| Suppliers | McMaster-Carr, Grainger, Penn Stainless Products |


















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