OD 1/2"-48" WT SCH40-SCH160 Standard ASME, GB, DIN, JIS Material A234 WPB, A420 WPL6, MSS SP75 WPHY52-70, A403 WP304(H), WP304L,WP316(H),WP316L,WP321, A234 WP5,WP9,WP11,WP12, WP22, WP91 Packaging Customized packing available (coating, end-beveling, cap etc.) Application Petroleum, Chemical, Power, Metallurgy, Shipbuilding, Construction etc Others Special design available according to your request Email: amy@dingshengpipe.com