Ribbed mesh

Cold-rolled ribbed steel bars are hot-rolled coil by cold-reducing multi-channel, a rib and pressure by the elimination of stress after the formation of a surface with two or three sides of the crescent-shaped steel. In 1968 from Germany, the Netherlands, Belgium successfully developed, in 1973 in Europe (Germany, Austria, Italy, the United States, Britain, etc.) to get a great deal of application development. And national standards. International Organization for Standardization (ISO) has developed international standards. As a construction steel, into the concrete structure of the national norms in these countries, cold-rolled ribbed steel bars have been widely used in construction, highways, airports, municipal, water and electricity in the pipeline. In 1994, the annual output of 4,500,000 tons EC. China’s neighboring countries, Singapore and Malaysia have long been in the construction of municipal works and widely used, only Singapore cold-rolled ribbed steel bars in use on more than 150,000 tons.