Standard: ANSI B16.5 Class:150, 300, 600, 900, 1500, 2500 ... Co.,Ltd are profesional manufacturer of high quality Nickel Alloy flanges, used in various industry like Chemical, Aerospace, Marine, Petrochemical, Energy ... , S22053, S21953- High temperature alloy GH600, GH3128, GH3030, GH2132, GH1140Our standard Flanges:- ANSI B16.5, B16.47- ASME B16.5, B16.47 ...