... flange 1) stainless steel, carbon steel and all; 2)Standard:ANSI, DIN, BS,UNI, JIS,SABS Carbon steel forged long welding ... neck flange 1) material: stainless steel, carbon steel and all 2) size: 15-1500mm3) special design available, can ... , DIN , EN, and customers' drawings for special use; Material Carbon steel, alloy steel, stainless steelPressure RatingsClass 150, 300, 600, 900 ...