Bypass coupon test frame for corrosion test

The utility model relates to a bypass coupon test frame for corrosion test, which comprises a bottom frame and a bottom plate arranged on the top surface of the bottom frame, four corners of the bottom frame are provided with adjustable support legs connected with the bottom plate, the top surface of the bottom plate is provided with a vertically arranged support frame, two sides of the support frame are respectively provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are connected with the bottom plate. The bottom frame, the bottom plate and the supporting frame are matched to form the bypass support, the supporting frame is used for supporting the hanging piece assemblies, and meanwhile the water inlet pipe, the first flow guide pipe, the hanging piece assemblies, the second flow guide pipe, the third flow guide pipe, the rotor flow meter and the water outlet pipe are matched. The bypass bracket is supported by the adjustable supporting legs, and the