Rebar specifications should be set out in the import and export trade contracts. Generally should include standard grades (type code), reinforced the nominal diameter, nominal weight (mass), the provisions of equal length and tolerance values ??of the above parameters. Our standard recommended nominal diameter rebar 6,8,10,12,16,20,25,32,40,50mm series. Delivery times length divided foot length and two kinds. Rebar form factor: the surface shape and size ribbed steel tolerances. Ribbed steel horizontal rib design principles should meet the following requirements: angle steel cross ribs and the axis of β should not be less than 45 degrees 8.5mm rebar spot prices, when the angle of not more than 70 degrees, on opposite sides of the transverse reinforcement ribs should be directed to the contrary; transverse ribs is not greater than the nominal spacing l reinforced 0.7 times the nominal diameter; angle α transverse ribs and reinforced side surface of not less than 45 degrees; gap (including vertical and horizontal ribs rib width between the ends on both sides of the adjacent steel ) should not be greater than the sum of the nominal 20% reinforced perimeter. Ribbed steel usually with longitudinal ribs, or without longitudinal ribs. 8.5mm steel wholesale, Jiangxi 8.5mm steel, cold-rolled by Ding Ding Ding Ding Industrial Co., Ltd., Henan Province. 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!