Astec Tubes a legally certified industry is globally involved in manufacturing, supplying and exporting the commendable quality of wider ranges of Alloy steel F11 Flanges. These flanges today are found used in many industrial applications due to many good properties that it holds. We are providing vast ranges of flanges that vary in grades, specifications, dimensions, and sizes. Also, we are making those available to our clients at different standards and specifications based upon the clients' special demands for the application. Our product is designed by using 100% pure quality of raw material and according to the industrial product quality standards (ASTM, AISI, API, etc).