... that of comparable welding neck flanges. Their pressure-holding ability is little, if any, better than that of slip-on ... joint flanges in carbon or low alloy steel piping systems is in services necessitating frequent dismantling for inspection and cleaning and ... Description1,Carbon steel, stainless steel and alloy flanges, are manufactured as per the standards of BS, ANSI, JIS, DIN, and UNI.2,Flanges ...