... Alloy flange,Plate Flange astm a105 b16.5 carbon steel flanges ANSI Flange Size:1/2" ~ 64"(DN15 mm ~ 1600 mm ... , 600, 900, 1500, 2500 Pressure Ratings: PN 6, PN 10, PN16, PN25, PN40, PN63, PN100, PN160Pressure Ratings:JIS 5K, ... 10K, 16K and 20K ANSI Flange Materials: Carbon steel, Stainless steel and Alloy steel etc. Market: America ... replied within 24 hours. astm a105 b16.5 carbon steel flanges