... AS Material: A105,Q235, WCB, CF8, 314.316 Type:Slip On Flange, Welding Neck Flange, Socket Welding Flange, Threaded Flange, Lap Joint Flange, Blind Flange and other ... alloy, Alloy steel etc.Carbon manganese steel:20# / Q235B / A105,16Mn,F11,F13Size:1/2'—120'(DN15—DN3000)Rate:100Lb ... die forging from round bar,CNC machining,Drilling and Passivating high quality Stainless steel flange, 150~1500class