1.Lap Joint Flanges 2.Materials:Stainless steel,carbon steel,alloy steel 3.Standard:ANSI,GB,JIS,KS,DIN 4.ISO 9001 ... .Materials:Stainless steel,carbon steel and alloy steel3.Standard:ANSI,GB,JIS,KS,DIN,ASME4.Styles:Plate-type Flate Welding Flanges,Slip-on ... ,160 ETC. Available with NACE MR 01-75 material stainless steel , carbon steel , nickel alloy ,cast iron ,brass , aluminum standardANSI : ANSI B16 ...