... and all; 2)Standard:ANSI, DIN, BS,UNI, JIS,SABS Carbon steel forged long welding neck flange 1) material: stainless steel, carbon ... and Plate flange etc.Applicable standard GB, ASME , ASTM, MSS ,JIS , DIN , EN, and customers' drawings for special use; Material Carbon ... customers requirement Delivery timeWithin 20 working days Carbon steel forged long welding neck flange