Low-carbon low-silicon hot-rolled coil used in mobile conveying pipe and manufacturing method thereof
A low-carbon, low-silicon, manufacturing method technology, applied in the field of pipeline steel, can solve the problems of unable to meet the requirements of comprehensive mechanical properties, surface quality and plate shape of coils, and meet the requirements of anti-corrosion galvanizing, inhibit recovery, and optimize alloys The effect of compositional design
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[0028] The embodiment of the present invention provides a low-carbon and low-silicon hot-rolled coil for mobile conveying pipes and its manufacturing method, which solves the problem that the conventional pipeline steel in the prior art cannot meet the comprehensive mechanical properties and surface requirements of the movable conveying pipeline. The technical problems of quality and plate shape requirements; achieved comprehensive mechanical properties, surface quality and good technical effects of plate shape, providing good raw materials for thin-gauge, small-diameter mobile pipelines, and good surface, which can meet the needs of galvanizing.
[0029] In order to solve the above-mentioned technical problems, the present invention provides a low-carbon and low-silicon hot-rolled coil plate for mobile conveying pipes, which includes the following components in terms of mass percentages: C: 0.02-0.08wt%, Si: 0.01-0.05wt%, Mn: 1.20~1.60wt%, P: ≤0.015wt%, S≤0.002wt%, V: 0~0.05wt...
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