... : carbon & stainless steel Pressure: pn6,10,16,25,40 Table D flangesforged flange, carbon steel flange, stainless flangesSizes: DN15 to DN2000 ... ,UNI,GOST12820-80Types: plate, slip on, welding neck, blind, thread, socket weld flangeProcess: free forging, plate cutting, heat treat, machiningSurface Treat ...