... Carbon Steel Flange 1.Material: Stainless Steel,Carbon Steel ,Alloy Steel 2.Size :1/8''-64'' 3.Standard:ANSI.DIN,JIS Carbon Steel Flange1.Material: Stainless Steel, Carbon Steel, Alloy Steel ... , 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2''-64''BS4504 ... , PN40, etc.plate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150051/2''-64'' ...