2500/3 flanges size: DN15 to 2000 Material: carbon & stainless steel Pressure: pn6,10,16,25,40 2500/3 flangesforged flange, ... carbon steel flange, stainless flangesSizes: DN15 to DN2000, 1/2 inch to 78 inchMaterial: carbon ... slip on, welding neck, blind, thread, socket weld flangeProcess: free forging, plate cutting, heat treat, machiningSurface Treat: Anti-rust Oil ...