... 36,DIN2505,EtcMaterialCarbon steel(ASTM A105,Q235,A350LF2,A350LF3,Etc)Stainless steel(ASTM A182 F304, F304L,F316,F316L,F321,F347, ... or pallets,or as for clients'requirements applicationPetroleum,chemical,machinery,electric power,shipbuilding,papermaking,construction, etcSpecial design available as the ... Slip On Flange Blind FlangeWelding Neck Flange ISO certificate stainless steel flange (supplier)