casting carbon steel flange 1.Carbon steel 2.Casting and forging working 3.High quality , competitive price 4.Fine surfa Precision casting carbon steel flanges1.)Material: Stainless steel(304 ... ,etc), carbon steel.2.)Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS3.)Type: Plate Flange,Flat Flange,Slip-on Flange,Welding Neck Flange,Long ...