As one of the best concentric reducer manufacturers and suppliers,Website:http://www.worldironsteel.com, and equipped with one of the well-known concentric reducer brands and productive factory and company, World Iron & Steel Co.,Ltd is always at your service.Products:Concentric Reducer,Carbon steel CON reducer,stainless steel CON reducer, Alloy steel CON reducer,CON reducerSize:1/2” TO 24”(Seamless),26”-48”(Welded)Thickness: SCH20-SCH160 Type:Butt-elded or SeamlessMaterials: ASTM A234WPB,WPC,A105,A420WPL6,WPL9,WPL3,WPL8,WPHY42,46,52,56,60,65,70Standard:ANSI,ISO,JIS,DIN,BS,GBInspection:BV,SGS,LOTYD,TUV or others party alloyed by clients.