If you are planning to wholesale cheap carbon steel reducers from one of the leading carbon steel reducers manufacturers and factory,Website:http://www.czpipeline.com, please feel free to contact Cangzhou Zhongshun Steel Pipe Trade Co.,Ltd.Product Name: Pipe ReducerMaterial: Carbon steel,Alloy steel,Stanless steel,Low-temperature steel,High performanceStandard: ASME B16.9-2007, EN10253-1-1999, DIN2605-1-1992,JIS B2311-2009 JIS B2312-2009 Size: 1/2"~24" DN15~DN600,4"~72" DN150~DN1800Thickness/Pressure:sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, std,sch5s, sch20s, sch40s, sch80s