冷轧带肋钢筋是国外70年代初开发的一种新型建筑铜材,采用冷轧减径—冷轧刻痕工艺,可将低碳线材的抗拉强度由380 MPa提高到≥550MPa,伸长率仍不低于8％。因其强度高,塑性良好,与混凝土的握裹力强等优点,得到了迅速发展。仅西德在年产300×10~4t线材中就有100×10~4t以上用于生产冷轧带肋钢筋。广泛用于混凝土公路、机场跑道、隧道等钢筋焊接网。 Cold-rolled ribbed steel is a new type of construction copper developed in foreign countries in the early 1970s. The cold rolling reduction-cold-rolling scoring process can increase the tensile strength of low-carbon wire rod from 380 MPa to ≥550 MPa and elongation The rate is still not less than 8%. Because of its high strength, good plasticity, and concrete hold strong advantages, has been rapid development. Only West Germany in the annual output of 300 × 10 ~ 4t wire have more than 100 × 10 ~ 4t for the production of cold-rolled ribbed steel. Widely used in concrete roads, airport runways, tunnels and other welded steel mesh.