HRB400 is a kind of high strength hotrolledreinforcedbar emphatically promoted by the national policy of steel industry.
HRB400是钢铁产业政策中重点推广的高强度热轧钢筋。
2
The reason of occurrence of calabash like head on large size hotrolledreinforcedbar and the method to resolve it are discussed.
探讨了大规格热轧带肋钢筋头部葫芦状的产生的原因及解决的措施。
3
The chemical components and microstructure are analyzed for the hot-rolledreinforcedbar, of which the yield point is not so clear, some measures proposed.