... 300,600,900,1500 and2500 Class 150 Carbon Steel Flanges MaterialCarbon Steel:A105(N) C22.8 ST-37 ... ANSI, API, DIN, BS, AS, JIS, JPI, etcTypeSlip-On, Welding Neck, Blind, Socket Welding, Threaded, Lap Joint and ... Gasket, Petroleum Machinery, Fasteners, UV sterilizer, and so on. With the excellent product quality and professional technical service, ... us, and create a bright future together. Slip-on Flange