Carbon Steel Plate Flange 1.Material: Stainless Steel,Carbon Steel ,Alloy Steel 2.Size :1/8''-64'' 3.Standard:ANSI.DIN,JIS Carbon Steel Plate Flanges1.Material: Stainless Steel, Carbon Steel, Alloy ... etc.Class150,300,600,900,150041/2''-64''BS4504, PN16, PN25, PN40, etc.plate, slip-on, welding neck, blind, threaded etc ...