The Inconel 625 Tee is a critical forging product used in piping systems to combine or divide fluid flow from the main pipe run. These tees are essential for creating durable, leak-proof branch connections and are available in both Equal Tees (where all three openings are the same size) and Reducing Tees (where the branch opening is smaller than the run). Manufactured from the elite nickel-chromium-molybdenum superalloy, UNS N06625 (Alloy 625), these fittings are designed to handle the increased stress and turbulence at the junction point. The alloy's strengthening mechanism, provided by molybdenum and niobium, ensures high mechanical strength and stability at extremely high temperatures, while the high alloying content delivers outstanding corrosion resistance. Inconel 625 offers near-immunity to chloride ion stress corrosion cracking (SCC) and superior defense against pitting and crevice corrosion in aggressive media. Zeron Fasteners manufactures and supplies these premium pipe fittings in compliance with stringent dimensional standards like ASME B16.9 and the material specification ASTM B366 (for factory-made fittings), making them indispensable for chemical processing, aerospace ducting, and critical offshore installations.
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 58.0 Min |
| Chromium (Cr) | 20.0 to 23.0 |
| Molybdenum (Mo) | 8.0 to 10.0 |
| Niobium + Tantalum (Nb + Ta) | 3.15 to 4.15 |
| Iron (Fe) | 5.0 Max |
| Carbon (C) | 0.10 Max |
| Cobalt (Co) | 1.0 Max |
| Aluminum (Al) | 0.40 Max |
| Titanium (Ti) | 0.40 Max |
| Silicon (Si) | 0.50 Max |
| Manganese (Mn) | 0.50 Max |
| Phosphorus (P) | 0.015 Max |
| Sulfur (S) | 0.015 Max |
Note: Composition according to specifications like ASTM B446 ASME B366.
| Property (Annealed) | Minimum Value |
|---|---|
| Ultimate Tensile Strength (MPa) | 690 |
| Yield Strength (0.2% Proof) (MPa) | 275 |
| Elongation (%) | 30 Min |
| Density (g cm⁻³) | 8.44 Typical |
| Melting Range (°C) | 1290 to 1350 |
| Maximum Service Temperature (°C) | 982 |
Values are typical for annealed material and may vary based on specific manufacturing method.