steel flange for construction 1.factory direct supply 2.diameter from 300mm to 2000mm 3.fast delivery, ansi standard carbon steel flange 1.Material: carbon steel Q235, A105, 16Mn, 20# from major steel 2. Size: from 300mm-2000mm, thickness:15mm-80mm3.Any spec. can be produced as per customer's requirement. ANSI standard4.Advantage: good pressure tolerance compared to cast flange, no empty space in ...