The ASTM A182 F321/F321H forged pipe elbow is designed to change the direction of a piping system, typically by 90 or 45 degrees. Constructed from F321 or F321H stainless steel, this elbow offers exceptional resistance to intergranular corrosion due to the presence of titanium, which stabilizes the material at high temperatures. The forged construction provides enhanced strength and durability, making it suitable for high-pressure and high-temperature applications. It is commonly used in industries such as petrochemical, chemical processing, and aerospace, where reliable performance and resistance to harsh environments are essential. The elbow’s forged design ensures that it can withstand significant mechanical stress and pressure, maintaining integrity and safety in demanding applications.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel 321 (F321) / Stainless Steel 321H (F321H) |
| Chemical Composition | Chromium (Cr): 17-19%<br>Nickel (Ni): 9-12%<br>Titanium (Ti): 5 x C% – 0.70%<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 Pipe Elbow |
| Connection Type | Socket Weld or Threaded (varies by design) |
| Angle Options | 45 Degrees, 90 Degrees |
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