... " 2.PN:PN6,10,16,25,40,100 3.material:cs&ss 4.standard: BS4504 ISO ANSI DIN GB JIS ASME ... #, 600#,900#,1500#, 2500#Wall thickness for welding neck flange: STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon steel A105, stainless steel 304 ... , cold and hot galvanizePacking: sea worthy plywooden case, wooden pallet cs flange