Ashapura steel & alloys offer threaded flanges in various materials like stainless steel, alloy steel etc. And their sizes range from 18" nb to 48"nb. The stainless steel ones use astm a 182, a 240 in grade f 304, 304l, 304h, 316, 316l, 316ti, 310, 310s. They are used in pipe fittings and also in non cyclical applications as they are economic and time saving and can be used in high temperature and pressure works as well. They are well appreciated by our customers.