Anti-corrosion steel for bridge tubular pile and production method of anti-corrosion steel
A corrosion-resistant and bridge technology, applied in the field of bridge steel machine production, can solve the problems of inability to prepare steel pipe piles, segregation of rare earth oxides, and high production costs, and achieve low production costs, reduce production costs, and improve production efficiency. Effect
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[0039] The present invention is described in detail below:
[0040] Table 1 is the value list of each embodiment of the present invention and comparative examples;
[0041] Table 2 is the main process parameter list of each embodiment of the present invention and comparative example;
[0042] Table 3 is a list of various embodiments of the present invention and comparative performance detection situations;
[0043] Table 4 is a list of various embodiments of the present invention and comparative corrosion test results.
[0044] Each embodiment of the present invention is produced according to the following steps:
[0045] 1) Converter smelting and continuous casting into billets: add Re and Zr composite cored wire in the ladle according to 7.2-7.5 m / ton steel, the diameter of the composite cored wire is 10mm; and control the wire feeding speed at 160-210 m / min, the wire feeding time is 2.3~3 minutes, and argon is blown during the wire feeding process, the argon blowing time i...
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