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Low-temperature impact-resistant instrument shell parts and preparation method thereof

A technology for instrument shells and low temperature resistance, which is applied in the coating process of metal materials, etc., and can solve problems such as easy cracking, corrosion resistance, and insufficient

Active Publication Date: 2021-05-04
ZHANGJIAGANG YANGTZE RIVER COLD ROLLED PLATE CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a low-temperature shock-resistant instrument housing part and its preparation method, which solves the technical problems of easy cracking and insufficient corrosion resistance in long-term use of existing instrument housing parts in low-temperature environments, improves service life and expands application range

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  • Low-temperature impact-resistant instrument shell parts and preparation method thereof
  • Low-temperature impact-resistant instrument shell parts and preparation method thereof

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Embodiment Construction

[0040] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0041] Such as figure 1As shown, the low-temperature impact-resistant instrument housing parts prepared by the present invention include a cold-rolled steel sheet or a hot-dip galvanized steel sheet base layer 1, a chemically treated film layer 2 is formed on the base layer 1, and a paint coating layer is formed on the chemically treated film layer 2. Layer 3, chemical treatment The composition of the film layer 2 includes organosilane, fluorozirconate and fluo...

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Abstract

The application discloses a low-temperature impact-resistant instrument housing part and a preparation method thereof. The part includes a base layer of cold-rolled steel sheet or hot-dip galvanized steel sheet, and the chemical composition of the base layer includes: 0.25%, Si≤0.10%, P≤0.012%, S≤0.005%, Als 0.02~0.06%, Ti 0.05~0.09%, Nb 0.01~0.03%, B 0.0005~0.0020%, N 0.001~0.003%, and the rest Fe and unavoidable impurities, a chemical treatment film layer is formed on the base layer, a paint layer is formed on the chemical treatment film layer, and the composition of the chemical treatment film layer includes organosilane, fluorozirconate and fluorotitanium Salt, the composition of the paint layer includes resin and toughening agent. The invention has the advantages of solving the technical problems of easy cracking and insufficient corrosion resistance in long-term use of existing instrument shell parts, improving the service life and expanding the application range.

Description

technical field [0001] The application relates to instrument housing parts, in particular to a low-temperature shock-resistant instrument housing part and a preparation method thereof. Background technique [0002] As the outer covering part, the instrument shell parts mainly play a role in supporting and protecting the core components inside the instrument. The preparation materials are mainly divided into metal, plastic and other composite materials. Among the metals, stainless steel and aluminum alloy have good formability and corrosion resistance. Plastics are low in cost but generally have poor strength and toughness, weak resistance to external damage, and are prone to aging under light, high temperature or low temperature, and their application range is limited. At present, common instrument shell parts are made of ordinary low-carbon steel and phosphating and spraying the surface, which can meet the requirements of most instruments. However, household gas meters and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/02C22C38/04C22C38/06C22C38/12C22C38/14C23C22/78C23C22/82C23C22/05
CPCC22C38/001C22C38/002C22C38/004C22C38/02C22C38/04C22C38/06C22C38/12C22C38/14C23C22/05C23C22/78C23C22/82C23C2222/20
Inventor 宋乙峰朱阳林岳重祥李化龙
Owner ZHANGJIAGANG YANGTZE RIVER COLD ROLLED PLATE CO LTD
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