... steel 3.Size: DN10 to DN3000 DIN socket welding flangeflange 1.material:carbon steel,stainless ... 1, NF FlangesGeneral DescriptionCarbon steel, stainless steel and alloy flanges, are manufactured as per the standards ... connect pipe to tees, elbows, valves, pumps and whatever other equipment may be necessary. Types: ... supply: WN, SO, BL, plate, thread, socket and other special shapes 6) Kinds of forging: a) ...