Carbon steel forged long welding neck flange 1) stainless steel, carbon steel and ... DIN, BS,UNI, JIS,SABS Carbon steel forged long welding neck flange 1) material: stainless steel, carbon steel and ... flange SizeDN10--DN5000 and othersTypesSlip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange ... 20 working days Carbon steel forged long welding neck flange