The F347/H ASTM Reducing Tee is a specialized stainless steel fitting designed to connect three pipes of different diameters at a junction. This fitting is made from stainless steel grades F347 and F347H, which are known for their excellent resistance to high temperatures and corrosion. The F347H grade, with its higher carbon content, offers enhanced mechanical strength and improved resistance to intergranular corrosion, making it suitable for harsh and high-temperature environments. The reducing tee allows for the efficient flow of fluids from one pipe to another of different sizes, facilitating smooth transitions in complex piping systems. It is commonly used in chemical processing, petrochemical, and high-temperature industrial applications due to its durability and reliability.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel F347/H |
| Chemical Composition | Chromium (Cr): 17-19%<br>Nickel (Ni): 9-13%<br>Carbon (C): Max 0.10% (F347), 0.04-0.10% (F347H)<br>Niobium (Nb): 10 x C Min<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 515 MPa (75,000 psi)<br>Yield Strength: Min 205 MPa (30,000 psi)<br>Elongation: Min 40% |
| Type | Reducing Tee |
| Connection Type | Butt-weld |
| 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 | Chemical processing, petrochemical industries, high-temperature applications |
| Manufacturing | Machined, heat-treated |
| Advantages | Excellent corrosion resistance, high-temperature strength, reliable performance |
| Ordering Information | Specify pipe sizes, pressure class, and connection type |
| Suppliers | McMaster-Carr, Grainger, Penn Stainless Products |
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