1.Lap Joint Flanges 2.Materials:Stainless steel,carbon steel,alloy steel 3.Standard: ... ,GB,JIS,KS,DIN,ASME4.Styles:Plate-type Flate Welding Flanges,Slip-on Flange,Welding Neck Flange,Threaded Flabge,Socket Welding ... 01-75 material stainless steel , carbon steel , nickel alloy ,cast iron ,brass , aluminum standardANSI : ANSI B16.5, ANSI B16.47, MSS ...