Cold-rolled ribbed steel bars with hot-rolled plate cold-reducing multi-channel, a pressed steel ribs and a two or three sides of the crescent-shaped face with the elimination of internal stress after formation. 1968 Germany, the Netherlands, Belgium successfully developed since 1973 in Europe (Germany, Austria, Italy, USA, UK, etc.) to get a lot of development applications. And national standards. Intensity level cold-rolled ribbed steel cold drawn roughly the same countries ribbed steel manufacturers, both up and down in 550Mpa specifications 4─9mm. Ordinary reinforced concrete structures for the supply of cold drawn steel ribbed, cast as the floor, foundation slab of muscle force and distribution of cold drawn steel ribbed bars wholesale, distribution tendons shear walls, beams, etc. stirrups. Mechanical properties of reinforced international standards ISO10544─1992 (E) provides as follows: yield strength 500Mpa, tensile strength 550Mpa, elongation (gauge 5 times the diameter) of 12% (Note: My elongation set δ10≥ 8% instead δ5≥12%). Cold drawn steel ribbed wholesale, cold drawn steel ribbed Jiangxi, Henan Province, Ding Ding Ding Ding Industrial Co., Ltd. provided by. Ding Ding Industrial Co., Ltd., Henan Province (www.hnddsy.com) strong, credible, in other industries in Henan accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Dingding Industrial and you hand into the brilliant, for a better future!