1.Lap Joint Flanges 2.Materials:Stainless steel,carbon steel ... JIS,KS,DIN 4.ISO 9001 Certificate 1.Lap joint flanges2.Materials:Stainless steel,carbon steel and alloy ... Welding Ring Loose Flange,etc. Item#LJF001 NameStainless steel lap joint flange Range½” (15 NB) to 48” (1200NB) ... material stainless steel , carbon steel , nickel alloy ,cast iron ,brass , aluminum standardANSI : ANSI B16.5, ANSI B16.47, ...