Decorative bundling belt with tensile strength of more than or equal to 950MPa and production method thereof

A tensile strength and decorative technology, applied in the field of decorative strapping and its production, can solve the problems of easy cracking, large internal stress, and difficulty in ensuring the shape of the product, and achieve the effect of bright colors and strong adhesion.

Inactive Publication Date: 2014-09-03
武汉钢铁有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the strong cooling capacity, large internal stress is caused, and the pr

Method used

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  • Decorative bundling belt with tensile strength of more than or equal to 950MPa and production method thereof
  • Decorative bundling belt with tensile strength of more than or equal to 950MPa and production method thereof
  • Decorative bundling belt with tensile strength of more than or equal to 950MPa and production method thereof

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Experimental program
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Embodiment Construction

[0055] The present invention is described in detail below:

[0056] Table 1 is the chemical composition list of each embodiment of the present invention and comparative example;

[0057] Table 2 is the rolling process parameter list of each embodiment of the present invention and comparative example;

[0058] Table 3 is the strip making process parameter and mechanical property situation list of each embodiment of the present invention and comparative example;

[0059] Table 4 is a list of the corrosion resistance performance of each embodiment of the present invention and comparative examples.

[0060] Each embodiment of the present invention is produced according to the following steps:

[0061] 1) Smelting and continuous casting into slabs, and conventional heating of slabs;

[0062] 2) Hot rolling:

[0063] A, carry out rough rolling, the control rough rolling opening temperature is 1130~1180 ℃;

[0064] B, carry out finish rolling, control finishing rolling finishing...

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Abstract

The invention discloses a decorative bundling belt with the tensile strength of more than or equal to 950MPa. The decorative bundling belt comprises the following components in percentage by weight: 0.08-0.18% of C, 0.60-1.20% of Mn, less than or equal to 0.010% of Si, less than or equal to 0.010% of P, less than or equal to 0.010% of S, 0.30-0.60% of Nb, 0.30-0.60% of Cr and 0.040-0.070% of Als. The production steps comprise smelting, continuous casting for forming a blank, conventional casting blank heating, hot rolling, conventional acid washing, secondary cold rolling, secondary annealing and belt making. The thickness of the bundling belt is 0.8mm, the tensile strength is not less than 950MPa, the elongation is not less than 10%, the repeated bending times is not less than 10 times (R=5mm), and a uniform, compact, strong-adhesion and bright coating with the thickness of 1.5-2.5mu m is produced on the surface of the bundling belt. The bundling belt, which is not obviously rusted when being placed in an indoor atmospheric environment for 240 days, completely meets the requirements for bundling and packing high-quality commodities.

Description

technical field [0001] The invention relates to a strap and a production method thereof, in particular to a decorative strap with a tensile strength ≥ 950 MPa and a production method thereof. Background technique [0002] High-strength decorative strapping is a cold-rolled deep-processed product with high added value and broad market prospects. It is mainly used for bundling and packaging of high-quality goods. With the help of beautiful appearance, it can enhance the overall aesthetics of the product. [0003] At present, because the surface quality of blued or painted straps is not very high, they are mainly used for bundling ordinary goods, and it is difficult to play a good decorative role and cannot improve the grade. In contrast, colored coated straps are more suitable for decoration. [0004] Generally speaking, there are two main base materials for decorative strapping: cold-rolled sheet and hot-dip galvanized sheet. Ordinary cold-rolled sheet is relatively low in ...

Claims

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Application Information

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IPC IPC(8): C22C38/26B65D63/02C21D8/02
Inventor 黄菲陶军晖张兆丽何振华吴远东王丹
Owner 武汉钢铁有限公司
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