Cold-rolled ribbed steel production equipment: cold-rolled ribbed steel production equipment based on the number of rolls in two and three-roll-shaped roll shape. Three-roll mill Passive: Passive three-roll mill is currently the largest domestic application of a rolling mill, rolling mill imported from abroad are mostly belong to this category. In this mill, each made up of three pieces 12mm roll straight strips of cold-rolled steel prices, was Ah-type layout 12mm cold-rolled strip steel straight purchase, its angle of 120 ° 12mm straight cold-rolled steel stock, composed by such mill production line. Cold-rolled ribbed steel structure design points: The minimum reinforcement ratio selection. Due to the design value of the tensile strength of steel CRB550 level is 1.71 times the HPB235 grade steel, when the reinforced concrete structure using CRB550 grade steel, can be reduced by a minimum configuration of steel reinforcement ratio. Thus greatly reducing the total amount of reinforcing steel and steel consumption. Seismic housing height should be higher than the current maximum applicable national standard "design of concrete structures." 12mm cold-rolled strip steel production plant straight _ _ Dingding cold rolled steel cold-rolled straight by Ding Ding Industrial Co., Ltd., Henan Province. Ding Ding Industrial Co., Ltd., Henan Province (www.hnddsy.com) is Anyang, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In cold-Ding Ding leadership with the staff warmly welcome all inquiries negotiations to create a better future for cold-Ding Ding.