carbon steel flange carbon steel flange Technical data: 1) Standard: DIN 2512, 2519, 2526, 2527, 2566, 2573, 2576, 2631, 2632, ... . 2) Material: Alloy steel, Carbon steel or Stainless steel 3) Type: Welding neck, Plate, Slip-on, Threaded, Lapped Joint, Blind, etc ... About us: carbon steel flange for high pressure pipeline DIN standard and drop forged