... Flange 1.Material :SS400,A105 ,Q235 ect. 2.Size:DN15-DN2000 3.Standard:ANSI,ASTM,MSS,JIS,DIN,EN HY carbon steel ... us . We sincerely welcome to your valuable words and inquiry. 1. StandardANSI,ASTM,JIS,DIN,GB etc.2. TypeSlip On Flange ... -30days depends on your quantity11.Supply Capacity700 tons per month HY carbon steel Welding Neck Flange