... Flange 1.Type: WNRF, SO,SW,BLF,LJF 2.Material:AS CS SS 3.Size: 1/2"-60" 4.Certificate:ISO B16.5 ... Steel: ASTM A 182, GR F1, F11, F22, F5, F9, F91Types : Weldneck, Slipon, Blind ... steel, Stainless Steel, Alloy Steel Pipe and pipe fittings, flanges are mainly used in petroleum, gas,shipbuilding,electric ... , flangesMaterial: Carbon steel, stainless steel, Alloy steel. Standard: ANSI ASTM DIN JIS GBSize ...