... :1/8''-64'' 3.Standard:ANSI.DIN,JIS Forged Flange1.Material: Stainless Steel, Carbon Steel, Alloy Steel ... 64''ASTM ANSI B16.5, ASA, API-605,etc..slip-on, welding neck, blind, threaded, lap-joint, ... , 2631, 2576, 2632,2633, 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600, ... ''-64''BS4504, PN16, PN25, PN40, etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300, ...