Factory Price 316 Stainless Steel 180 Degree Butt Weld Return Bend Elbow. Adopts precision forging technology with high pressure resistance; smooth inner wall reduces medium flow resistance. Stable material with corrosion resistance, suitable for oil, gas and chemical pipelines; standard sizes enable easy installation and connection. Integrally formed without welds for strong sealing performance; resistant to high and low temperatures for wide working conditions. Precisely formed angle ensures smooth flow direction change; anti corrosion surface treatment extends service life. Manufactured strictly in accordance with national and American standards for reliable quality; complete specifications, non standard elbows available for customization.