rebar cold forging machine, rebar cold forging
Double Cylinder Rebar Cold Upsetting Forging Machine Product Description . Steel upsetting machine using hydraulic cold heading of the principle of plastic deformation of steel ends, the diameter increases 4 ~ 6mm, and then processing thread.So that the actual cross-sectional area after processing thread larger than the original cross-sectional area of steel, greatly improving the tensile ...
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