1.Material:Carbon steel 2.Standard:korea flange 3.Size:10A-600A 4.Certificate:ISO9001 FORGED FLANGE 1) ANSI B16.5,Size range: 1/2" to 24" Design: welding neck, slip on, blind, socket welding, threaded, lap-jointPressure: 150#, 300#, 600#,900#,1500#,Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon steel A105, A234 RST37-2 C22.8 P245GH S235JRG2 SS400 ...