... Welding Flange, Alloy flange,Plate Flange large size of stainless steel flange ANSI Flange Size:1/2" ~ 64 ... 16K and 20K ANSI Flange Materials: Carbon steel, Stainless steel and Alloy steel etc. Market: America, Europe, Korea, ... whole quality control system which covers every process of the manufacturing-Raw material inspection, cutting, heating ... within 24 hours. large size of stainless steel flange