首页>
外国专利>
MANUFACTURING METHOD OF SEISMIC-RESISTANT STEEL DEFOREMED BAR HAVING YIELD STRENGTH OF 620MPA GRADE OR MORE AND SEISMIC-RESISTANT STEEL DEFOREMED BAR HAVING YIELD STRENGTH OF 620MPA GRADE OR MORE USING THE SAME
MANUFACTURING METHOD OF SEISMIC-RESISTANT STEEL DEFOREMED BAR HAVING YIELD STRENGTH OF 620MPA GRADE OR MORE AND SEISMIC-RESISTANT STEEL DEFOREMED BAR HAVING YIELD STRENGTH OF 620MPA GRADE OR MORE USING THE SAME
The present invention relates to a method of manufacturing seismic reinforcing bars with a yield strength of 620 MPa or higher, and to a seismic reinforcing bar with a yield strength of 620 MPa or higher produced by the manufacturing method. Produces seismic reinforcement with improved seismic performance by satisfying the yield ratio (YR; Yield Ratio) required by the company, and achieves a yield strength of 620 MPa or more by controlling the composition ratio of Mo (molybdenum) without adding expensive V (vanadium). At the same time, it satisfies the yield ratio (YR) required by KS to secure economic efficiency and reduce the production cost of seismic reinforcing bars.
展开▼
