The difference between rebar and round bar: the difference between rebar and round bar is a surface with longitudinal ribs and transverse ribs 6.5mm steel purchases, usually with two longitudinal ribs and channels evenly distributed along the length of the transverse ribs. Rebar is a small 6.5mm steel rebar steel, mainly for the skeleton of reinforced concrete building elements. In use requires a certain degree of mechanical strength, bending welding performance and process performance. Production of raw steel billet for carbon steel or low-alloy structural steel smelting process by sedation. Surface ribbed rebar steel, also known as ribbed steel rebar size shape: 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. 6.5mm steel procurement | Shandong 6.5mm steel | cold-Ding Ding Ding Ding Industrial Co., Ltd., Henan Province by. Ding Ding Industrial Co., Ltd., Henan Province (www.hnddsy.com) strong, credible, and other industries in other Anyang accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Dingding cold rolling and you hand into the brilliant, for a better future!