Cold-rolled ribbed steel Technical requirements: Grades and chemical composition. Manufacture of steel wire rod should be consistent with GB / T 701, GB / T 4354 or other relevant standards. Delivery Status: reinforced by cold state of delivery. Cryogenic tempering process allows cold rolling. Mechanical properties and process performance: When bending test 5.5mm cold-rolled steel prices by the curved parts of the surface can not crack. Construction Points rolled ribbed steel bar: cold-rolled ribbed steel bars to check the quality documents. The factory mainly the cold-rolled ribbed steel 5.5mm cold-rolled steel Buying certificate, supervision and sampling inspection reports and witness sampling inspection of the mechanical properties of steel, process performance test report 5.5mm cold-rolled steel plant, after two tests must construction is above the provincial level detection unit detects the administrative department certification examination, the technical indicators must comply with the relevant norms. The unit engineering, quality engineering supervisor should be based on the characteristics of the main specifications supervision and sampling. 5.5mm cold rolled steel stock, Ding Ding cold-rolled, cold-rolled steel supplied by Jiangsu Industrial Co., Ltd., Henan Province, Ding Ding. 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.