Cold-rolled ribbed steel bars

Cold-rolled ribbed steel high strength, good anchorage, construction convenient, CRB550 grade cold-rolled ribbed steel wire is made using HPB235 grade disc rolling from the substrate, CRB650 grade cold-rolled ribbed steel is also used HPB235 grade round wire rolled into plate, and CRB800 grade cold-rolled ribbed steel disc is the use of low-alloy steel wire rod rolling. CRB970 grade cold-rolled ribbed steel commonly used in large-span prestressed hollow, special components and so on.