... : DN15~~DN3600 good quality at most competitive price Stainless Steel Flange Material Carbon steelA234 WPB ,ST37.0 , 20# ... .Stainless steel304,304L,316,316L,A403,A312,1.4301,1.4306,1.4401,1.4571 etc.Alloy steelA234WP12,A234WP11,A234WP22,A234WP5, ... port,ChinapackageIn wooden case ,wooden pallet, thick plywood,plastic bagapplicationPetroleum,chemical industry,water conversancy,electric power,Natural gas, ...