... slip on,welding neck. stainless steel standard different kinds of flanges:General DescriptionCarbon steel, stainless steel and alloy ... flanges, are manufactured as per the standards of BS, ANSI, JIS, DIN, and UNI.Flanges ... , plate, thread, socket and other special shapes 6) Kinds of forging: a) Free forging b) Die forging c) ... ' requirements stainless steel standard different kinds of flanges