Sampling and environmental requirements of cold-rolled ribbed steel bar: cold rolled ribbed steel bars: Each batch should be the same brand, same shape, the same production process and the same delivery status of cold-rolled steel components 7mm straight rebar prices, each batch is not greater than 60t. Tensile testing of each batch tested by disk 7mm cold rolled strip steel factory direct, each disc random interception of a specimen; bending and repeated bending test each batch of random two random intercepts prepare a specimen. Construction Points rolled ribbed steel bar: cold-rolled ribbed steel processing. Cold-rolled ribbed steel bars as a board at the end without making a hook; as a negative moment reinforcement plate 90 to be produced. Bending; as there are seismic requirements should produce 135 beams stirrups. Bending, bending length straight after not less than 10d, not less than the diameter of the inner curved arc 5d and longitudinal reinforcement diameter. Cold-rolled ribbed steel machining tolerances. 7mm cold rolled straight rebar prices | Dingding cold rolled | Gansu cold rolled steel 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.