The ASTM A182 F321 threaded/screwed hex plug is a key fitting used to close off the end of a pipe, preventing flow and providing a secure seal. Constructed from F321 stainless steel, this hex plug incorporates titanium for enhanced resistance to intergranular corrosion, making it suitable for high-temperature and corrosive environments. The hexagonal shape allows for easy installation and removal using standard wrenches. Designed for threaded connections, this plug ensures a reliable and leak-proof joint, ideal for applications in industries such as petrochemical, chemical processing, and aerospace. The forging process enhances its mechanical properties, ensuring durability and strength under high pressure and mechanical stress.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel 321 |
| 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 Threaded/Screwed Hex Plug |
| Connection Type | Threaded/Screwed |
| Shape | Hexagonal |
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