Development and production of HRB500E high strength seismic hot rolled steel bar
In order to solve the problem that the tensile strength is not significantly improved and the strength and yield ratio are not good when the single vanadium microalloying process is used,the composition design of vanadium niobium composite microalloying process is used to optimize the performance relationship of steel.The φ12 mm and φ32 mm high-strength rebar steel has been successfully developed under the condition that the existing process remains unchanged.
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