CN203600717U - Self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance - Google Patents

Self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance Download PDF

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Publication number
CN203600717U
CN203600717U CN201320754422.9U CN201320754422U CN203600717U CN 203600717 U CN203600717 U CN 203600717U CN 201320754422 U CN201320754422 U CN 201320754422U CN 203600717 U CN203600717 U CN 203600717U
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China
Prior art keywords
self
lubricating
coated steel
steel sheet
alloy coated
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Expired - Lifetime
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CN201320754422.9U
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Chinese (zh)
Inventor
李丽
姚天宇
王海英
陶联
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JIANGSU COLD-ROLLED TECHNOLOGY Co Ltd
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JIANGSU COLD-ROLLED TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance, belonging to the technical field of a galvanized steel sheet. The self-lubricating Al-Zn alloy coated steel sheet comprises an Al-Zn alloy coated steel sheet substrate, wherein structure layers are respectively combined on an outward side surface and an inward side surface of the Al-Zn alloy coated steel sheet substrate in a use state; a self-lubricating corrosion-resistant layer is combined on the surface of each structure layer. The structure layers are respectively combined on two sides of the Al-Zn alloy coated steel sheet substrate, and the self-lubricating corrosion-resistant layers are combined on the surfaces of the structure layers, so that the self-lubricating Al-Zn alloy coated steel sheet is reasonable in structure, the self-lubricating and corrosion-resistant effects can be reflected, the mold does not need to be coated with lubricating oil in the deformation process, and the cracking situation in the stamping process can be avoided.

Description

Self-lubricating high corrosion-resistant Al-Zn coated steel
Technical field
The utility model belongs to galvanized steel plain sheet technical field, is specifically related to a kind of self-lubricating high corrosion-resistant Al-Zn coated steel.
Background technology
For preventing that steel plate from the process of transportation and storage and so on, corrosion occurring, simultaneously in order to reduce in punch forming process the friction between mould and sheet material and to prevent sheet material cracking, thereby in the time that producing, flat cold-rolled sheet conventionally applies antirust oil on its surface, when to flat cold-rolled sheet punch forming conventionally to mould apply lubricating oil, after punch forming again to stamping degreasing.The easy operating environment of pollution of antirust oil and lubricating oil, and owing to conventionally containing the material such as trichloroethanes and freon in degreasing degreasing cleaning fluid used, thereby atmospheric ozone layer is had to destruction.
Self-lubricating steel plate is the one of steel plate with organic coating, mainly take galvanized steel plain sheet as substrate, galvanized steel plain sheet is after chromic acid passivation is processed, then applies and make containing the organic resin of lubricant.Due to self-lubricating steel plate surface lubrication function admirable, and its while producing without coating antirust oil, when punch forming, also without to mould apply oil, after moulding, without cleaning by degreasing, thereby be subject to the favor of industry.In addition, along with scientific and technological high speed development, the corrosion resistance of material has also been proposed to more and more harsh requirement.Therefore, development structure is rationally used the self-lubricating high corrosion-resistant steel plate just under the prerequisite that does not use lubricating oil with good mouldability, the feature of environmental protection and is had positive effect.For this reason, the applicant has done positive and useful exploration, has finally formed technical scheme described below.
Summary of the invention
Task of the present utility model is to provide a kind of rational in infrastructure contributing to embody excellent self-lubricating and anti-corrosion effect and uses and in deformation processing process, abandon mould coating lubricant and avoid occurring the self-lubricating high corrosion-resistant Al-Zn coated steel of cracking situation in punch forming process.
Task of the present utility model completes like this, a kind of self-lubricating high corrosion-resistant Al-Zn coated steel, comprise Al-Zn coated steel substrate, a side surface outward and be respectively combined with structure sheaf towards an interior side surface under described Al-Zn coated steel substrate use state, and have self-lubricating anticorrosion layer at the surface conjunction of structure sheaf.
In a specific embodiment of the present utility model, the thickness of described structure sheaf is 15-35 μ m.
In another specific embodiment of the present utility model, described structure sheaf is aluminium zinc silicon alloy layer.
In another specific embodiment of the present utility model, the thickness of described self-lubricating anticorrosion layer is 2-5 μ m.
The technical scheme that the utility model provides is because the both sides at Al-Zn coated steel substrate are respectively combined with structure sheaf and have self-lubricating anticorrosion layer at the surface conjunction of structure sheaf, thereby rational in infrastructure, can embody self-lubricating and anticorrosion effect, in deformation processing process without coating lubricant on mould and can avoid in stamping process occurring cracking situation.
Accompanying drawing explanation
Fig. 1 is example structure figure of the present utility model.
The specific embodiment
Embodiment 1:
Refer to Fig. 1, provide Al-Zn coated steel substrate 1, in the present embodiment, the thickness of Al-Zn coated steel substrate 1 is not needed to limit, because conventionally can require or select in thickness is the scope of 0.1-4.5 ㎜ according to the difference of field of employment according to user.Provide and be incorporated under Al-Zn coated steel substrate 1 use state a side surface outward and the structure sheaf 2 towards an interior side surface, that is to say in the both side surface of Al-Zn coated steel substrate 1 and be all combined with structure sheaf 2, and have self-lubricating anticorrosion layer 3 at the surface conjunction of each structure sheaf 2.
In the present embodiment, the thickness of aforesaid structure sheaf 2 is 15 μ m, and the thickness of aforesaid self-lubricating anticorrosion layer 3 is 2 μ m, and structure sheaf 2 is aluminium zinc silicon alloy layer.
The process of self-lubricating high corrosion-resistant Al-Zn coated steel of making said structure is: adopt dip-coating method by the material that forms structure sheaf 2 as the aforementioned aluminium zinc aluminosilicate alloy material be attached to the both side surface of the Al-Zn coated steel substrate 1 that passes through in advance surface cleaning processing, thereby at the i.e. side surface outward and be respectively combined with reliably structure sheaf 2 towards an interior side surface under use state of the both side surface of Al-Zn coated steel substrate 1.And then with dip-coating method, self-lubricating anticorrosion layer 3 is attached to the surface of structure sheaf 2.Self-lubricating anticorrosion layer 3 is to be made up of the raw material of following parts by weight: Cr 3+salt 10-30 part, olefin polymer 20-70 part, additive 5-25 part, organic solvent 25-75 part and water 20-40 part.
Embodiment 2:
Only the thickness of structure sheaf 2 is changed into 25 μ m; Change the thickness of self-lubricating anticorrosion layer 3 into 3 μ m, all the other are all with the description to embodiment 1.
Embodiment 3:
Only the thickness of structure sheaf 2 is changed into 35 μ m; Change the thickness of self-lubricating anticorrosion layer 3 into 5 μ m, all the other are all with the description to embodiment 1.
The self-lubricating high corrosion-resistant Al-Zn coated steel being obtained by above-described embodiment 1 to 3 is rational in infrastructure, coefficient of friction <0.05, and the NaCl(sodium chloride that is 5% through mass percent concentration) the neutral salt spray test 72 hours area that produces white rust is less than 5%, can cash the technique effect referring in the superincumbent technique effect of applicant hurdle.

Claims (4)

1. a kind of self-lubricating high corrosion-resistant Al-Zn coated steel, comprise Al-Zn coated steel substrate (1), it is characterized in that under described Al-Zn coated steel substrate (1) use state a side surface outward and be respectively combined with structure sheaf (2) towards an interior side surface, and having self-lubricating anticorrosion layer (3) at the surface conjunction of structure sheaf (2).
2. self-lubricating high corrosion-resistant Al-Zn coated steel according to claim 1, the thickness that it is characterized in that described structure sheaf (2) is 15-35 μ m.
3. self-lubricating high corrosion-resistant Al-Zn coated steel according to claim 1 and 2, is characterized in that described structure sheaf (2) is aluminium zinc silicon alloy layer.
4. self-lubricating high corrosion-resistant Al-Zn coated steel according to claim 1, is characterized in that the thickness of described self-lubricating anticorrosion layer (3) is 2-5 μ m.
CN201320754422.9U 2013-11-25 2013-11-25 Self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance Expired - Lifetime CN203600717U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320754422.9U CN203600717U (en) 2013-11-25 2013-11-25 Self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320754422.9U CN203600717U (en) 2013-11-25 2013-11-25 Self-lubricating Al-Zn alloy coated steel sheet with high corrosion resistance

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CN203600717U true CN203600717U (en) 2014-05-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625034A (en) * 2013-11-25 2014-03-12 江苏克罗德科技有限公司 Self-lubricating high-corrosion-resistant aluminum-zinc coated steel plate and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103625034A (en) * 2013-11-25 2014-03-12 江苏克罗德科技有限公司 Self-lubricating high-corrosion-resistant aluminum-zinc coated steel plate and preparation method thereof

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