HRB400 rebar and production method thereof
A production method and steel bar technology, applied in the field of metallurgy, can solve problems such as high cost, poor mechanical strength, and unstable performance
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[0019] The invention discloses a HRB400 steel bar and a production method thereof. Those skilled in the art can learn from the content of this article and appropriately improve the process parameters. In particular, it should be pointed out that all similar replacements and modifications are obvious to those skilled in the art, and they are all deemed to be included in the present invention. The method and application of the present invention have been described through the preferred embodiments. It is obvious that relevant persons can modify or appropriately change and combine the methods and applications described herein without departing from the content, spirit and scope of the present invention to achieve and Apply the technology of the present invention.
[0020] The present invention provides a HRB400 steel bar, which comprises: 0.19-0.25wt% C, 0.55-0.80wt% Si, 1.45-1.60wt% Mn, 0.20-0.30wt% Cr, and the balance iron.
[0021] In the HRB400 steel bar provided by the present i...
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