Diameter:10mm~130mm Surface: Blacking, Lathing GUOBANG STEEL have Pipe and Pipe Fittings process workshop,ISO9001:2008,PED97/23/EC,and AD2000,GOST and RTN certfied, month output:550metric ton for pipe, 300metric ton for pipe fittings.Incoloy 825/2.4858/N08825 Pipe/Tube, Elbow,Tee,Reducer,Flange.Nickel Alloy 825 is most commonly used in sulfuric acid plant equipment including: tanks; crates; ...