What are the inspection standards for color coated rolls

Inspect the appearance of the color coated roll, including the smoothness, color, and absence of obvious scratches, dents, bubbles, foreign objects, etc. on the coating surface. The appearance requirements should meet the product specifications and relevant national standards.

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Four processes of steel bar processing

The processing of steel bars generally involves four processes: rust removal of steel bars; Straightening of steel bars; Steel bar cutting; Forming of steel bars. When the steel bar joint is connected with straight or conical threads, it is also necessary to add the steel bar end upsetting and thread processing procedures. Rebar batching and replacement Rebar replacement

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