Common Defects and Treatment Methods on the Surface of Bar and Wire rods
WEBAug 6, 2021 · Product Quality Defect . Common defects on the surface of bar and wire rod Defects in raw materials . Shrinkage cavity—There are residual shrinkage cavities and the resulting defects in the steel. Reason: ① Shrinkage hole occurred during pouring. ② There are oxides and slag. Delamination—The defect in which the wire rod is .