steel flange 1.size:1/2"-64" 2.PN:PN6,10,16,25,40,100 3.material:cs&ss 4.standard: BS4504 ISO ANSI DIN GB JIS ASME 1) ANSI B16.5, ASME B16.47 FLANGESize range: 1/2" to 80" DN15 to DN2000Design: welding neck, slip on, blind, socket welding, threaded, lap-jointPressure: 150#, 300#, 600#,900#,1500#, 2500#Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon steel ...