The ASTM A182M F347 forged 45-degree elbow is a crucial pipe fitting used to redirect the flow of fluids or gases by an angle of 45 degrees in a piping system. Constructed from F347 stainless steel, this elbow is designed for applications requiring high resistance to intergranular corrosion, especially in environments with elevated temperatures. The material is stabilized with columbium (niobium) to prevent carbide precipitation, enhancing its performance under thermal stresses. The forged design ensures that the elbow has superior strength and durability, making it suitable for high-pressure and high-temperature applications. It is widely used in industries such as petrochemical, chemical processing, and aerospace, where reliability and resistance to harsh conditions are paramount.
| Property | Details |
|---|---|
| Standard | ASTM A182M |
| Material | Stainless Steel 347 |
| Chemical Composition | Chromium (Cr): 17-19%<br>Nickel (Ni): 9-13%<br>Columbium (Cb): 10 x C%<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 520 MPa (75,300 psi)<br>Yield Strength: Min 210 MPa (30,500 psi)<br>Elongation: Min 30% |
| Type | Forged 45 Degree Elbow |
| Connection Type | Socket Weld or Threaded (varies by design) |
| Angle | 45 Degrees |
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