... ANSI B16.5, ASA, API-605,etc..slip-on, welding neck, blind, threaded, lap-joint, etc.Class150,300,600,900,150021/2 ... ''-64''EN 1092,etc…plate, slip-on, blind etc.Class150 ... you have any need,pls feel free to contact us. Carbon Steel Flange (Plate/Slip-On/Welding Neck)