... , blind, slip on and so on. ANSI B16.5 welding neck flangeN15 to DN1200, 1/2 inch to 48 inch, ... ,DIN,BS4504,SABS1123,EN1092,UNI,GOST12820-80Types: plate, slip on, welding neck, blind, thread, socket weld flangeProcess: free forging, plate cutting ... yearDelivery: usually within one month after receiving the formal orderInspection: factory in-house self check or Third Party inspectionCarbon Steel:A105 ...