Surface ribbed rebar 11mm rebar steel, also known as ribbed steel rebar form factor: the nominal diameter range and recommended diameter. Reinforcement of the nominal diameter range of 6 ~ 50mm, the standard recommended nominal diameter steel 6,8,10,12,16,20,25,32,40,50mm. Surface shape and size ribbed steel tolerances. Length and tolerance. Steel specification: steel straightening should be adopted and cold drawn mechanical straightening straightening method. For a small amount of crude steel, does not have the machinery when the straightening and cold conditions pull straight quality 11mm rebar, used in artificial straightening. Methods such as the use of cold-drawn straight 11mm rebar manufacturers, its long straight stretch of cold rate of not more than 1%. Ⅰ grade steel for 11mm rebar spot, in order to remove scale in cold-drawn straight, while the cold drawing may be appropriate to increase the rate, but not more than 2%. 11mm cold-rolled steel specifications _ Dingding (certified) _11mm rebar provided 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.