... Flanges Standard:ANSI ASME,DIN,GB Material:carbon,stainless alloy steel ISO9001:2008 carbon steel /alloy Flat Slip-on Bind ... follows:1.Standard:ANSI,ASTM,ASME,DIN,GB2.Material:carbon steel,stainless steel and alloy steel3.OD:685mm , ... 12.Application area: oil, chemical industry, nuclear power station, food manufacturing, construction, shipbuilding, paper making, medicine and other industries ...