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 2.Size ... 2631, 2576, 2632,2633, 2543, 2544, etcplate, slip-on, welding neck, blind, threaded etc.Class150,300,600,900,150041/2 ... need,pls feel free to contact us. Carbon Steel Flange (Plate/Slip-On/Welding Neck)