Steel for corrosion-resistant automobile concrete mixing tank and preparation method thereof

A technology for concrete and mixing tanks, which is applied in the field of steel for corrosion-resistant automotive concrete mixing tanks and its preparation. It can solve the problems of increased manufacturing costs, poor corrosion resistance, and poor wear resistance, and achieves reduced production difficulty and precious alloys. Effect of low element content, good low-temperature impact toughness and cold-formability

Active Publication Date: 2022-04-08
BENGANG STEEL PLATES
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Problems solved by technology

However, the existing steel for mixing tanks has poor wear resistance and low service life; poor corrosion resistance; high yield ratio and difficult forming; poor welding performance; expensive
Therefore, it is urgent to design a steel with high strength, excellent corrosion resistance and welding performance under the condition of corrosion and wear, and also has the characteristics of easy forming and processing, and can also solve the problem of high strength and low yield ratio. Contradictory, but also can not significantly increase manufacturing costs

Method used

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  • Steel for corrosion-resistant automobile concrete mixing tank and preparation method thereof
  • Steel for corrosion-resistant automobile concrete mixing tank and preparation method thereof
  • Steel for corrosion-resistant automobile concrete mixing tank and preparation method thereof

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Embodiment Construction

[0043] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0044] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and in no way taken as limiting the invention, its application or uses. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordina...

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Abstract

The invention provides a steel for an anti-corrosion automobile concrete mixing tank and a preparation method thereof. The chemical composition and mass percentage of the steel are: C: 0.15-0.20%; Si≤0.01%; Mn≤1.50%; S≤0.001%; P≤0.010%; Al: 0.01-0.06%; O: 0.0010-0.0020%; N: 0.0010-0.0030%; Ca: 0.0020-0.0040%; Cr: 0.50-1.50%; Ti: 0.20-0.40%; ~0.35%; Cu: 0.19~0.40%, the rest is Fe and other unavoidable impurities. The preparation method includes S1, steelmaking; S1.1, smelting; S1.2, LF ladle furnace refining; S1.3, continuous casting; S2, hot rolling; S2.1, heating; S2.2, controlled rolling; S2 .3, layer cooling; S2.4, coiling.

Description

technical field [0001] The invention relates to the technical field of steel for corrosion-resistant automobile concrete mixing tanks, in particular to a steel for corrosion-resistant automobile concrete mixing tanks and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of large-scale projects, bridges, and real estate construction in China, concrete mixer trucks have become more and more widely used, and the demand for steel for automotive mixing tanks has also increased year by year. However, the existing steel for stirring tanks has poor wear resistance, low service life, poor corrosion resistance, high yield strength ratio, difficult forming, poor welding performance and high price. Therefore, it is urgent to design a steel with high strength, excellent corrosion resistance and welding performance under the condition of corrosion and wear, and also has the characteristics of easy forming and processing, and can also s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/06C22C38/28C22C38/22C22C38/20C22C33/06C21D8/02
CPCC22C38/02C22C38/04C22C38/06C22C38/28C22C38/22C22C38/20C22C33/06C21D8/0226C21D2211/005C21D2211/002
Inventor 吴刚刘志璞姜学锋董志鹏文小明韩宇许学力李霞陈红远吕建勋
Owner BENGANG STEEL PLATES
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