The ASTM A182 F316Ti forged socket weld full coupling is a fitting used to connect two pieces of pipe end-to-end. Constructed from F316Ti stainless steel, this coupling provides exceptional resistance to corrosion, particularly in high-temperature and aggressive environments, due to its alloying with titanium. The material composition includes 16-18% chromium, 10-14% nickel, 2-3% molybdenum, and the addition of titanium, which stabilizes the steel and enhances its resistance to intergranular corrosion. The socket weld design allows the pipe to be inserted into the coupling and then welded, creating a robust and leak-proof joint. This coupling is ideal for high-pressure applications, with mechanical properties including a minimum tensile strength of 515 MPa and a yield strength of 205 MPa. It is commonly used in industries such as chemical processing, petrochemical, and marine applications.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel F316Ti |
| Chemical Composition | Chromium (Cr): 16-18%<br>Nickel (Ni): 10-14%<br>Molybdenum (Mo): 2-3%<br>Titanium (Ti): 5x(C+N)%<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 515 MPa (74,700 psi)<br>Yield Strength: Min 205 MPa (29,700 psi)<br>Elongation: Min 30% |
| Type | Forged Socket Weld Full Coupling |
| Connection Type | Socket Weld |
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