The ASTM A182 F304 forged 90-degree elbow is a critical component used in various piping systems to change the direction of flow by 90 degrees. Made from F304 stainless steel, this elbow offers excellent corrosion resistance and high-temperature strength due to its composition of 18-20% chromium and 8-10.5% nickel. It is designed for applications in industries such as oil and gas, petrochemical, chemical, and power generation. The elbow is typically forged or rolled and then heat-treated to achieve optimal mechanical properties, including a minimum tensile strength of 515 MPa and a minimum yield strength of 205 MPa. It is available in sizes ranging from 1/2″ to 24″ and various wall thicknesses, with options for long radius (LR) or short radius (SR) configurations. For ordering, it’s important to specify the nominal pipe size, wall thickness, and whether a long or short radius is required.
| Property | Details |
|---|---|
| Standard | ASTM A182 |
| Material | Stainless Steel F304 |
| Chemical Composition | Chromium (Cr): 18-20%<br>Nickel (Ni): 8-10.5%<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% |
| Types | 90° Elbow (Long Radius and Short Radius) |
| Size Range | 1/2″ to 24″ |
| Wall Thickness | Sch 10 to Sch 160 |
| Applications | Oil & gas, petrochemical, chemical, power generation, food processing |
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