... 70/30ProcessFree forging, plate cutting.PrintingCarbon steel and alloy steel with yellow print, black print, oil or zinc.PackingPlywood caseDeliveryUsually ... 600 , 900, 1500 , 2500* ASME/ANSI B16.47(SERIES A & B) : WELDING NECK FLANGE, BLIND FLANGE.Pressure Class :75, 150, 300, 400 , 600 ... requirement of the flange, such as size, material, standard and so on.Pls confirm the details with us before do ...