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Aluminized steel sheet mesh and preparation method thereof

An expanded metal mesh and aluminized technology, applied in the expanded metal mesh field, can solve the problems such as the application limitation of stainless expanded mesh, complicated expanded metal mesh technology, poor processing performance, etc. Grinding characteristics, good processing performance

Inactive Publication Date: 2013-10-09
HUBEI PROVINCIAL COMM INVESTMENT FOUR ADVANTAGE STEEL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, stainless steel itself has high strength and plastic deformation ability, poor processing performance, and the process of making expanded metal mesh is complicated; at the same time, the cost of stainless steel material itself is very high, about 4 times that of galvanized steel, so the application of stainless steel expanded mesh is restricted. Great restrictions, only in the field of special requirements, such as tableware, cooking utensils, etc.

Method used

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  • Aluminized steel sheet mesh and preparation method thereof
  • Aluminized steel sheet mesh and preparation method thereof
  • Aluminized steel sheet mesh and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0074] 1. Send the steel plate into the expanded metal mesh punching and shearing machine, and become the expanded metal mesh body after punching and stretching.

[0075] 2. The wire stem thickness of the manufactured steel mesh workpiece is 3.0mm, the short pitch is 36mm, the long pitch is 100mm, the wire stem width is 4.05mm, the mesh width is 2000mm, and the mesh length is 4000mm.

[0076] 3. Baking and degreasing, chemically degreasing the expanded metal mesh workpiece, and baking and degreasing treatment in the temperature range of 410°C for 10 minutes until the surface is clean and oil-free.

[0077] 4. Pickling and derusting, the expanded steel mesh workpiece after degreasing is immersed in pickling solution, the component of the pickling solution is wt98H with a mass percentage of 3% 2 SO 4 , 17% wt36HCl, and the balance is water; pickling is carried out in a sulfuric acid pool with alternating current, the current value is 50A, the power frequency is 10kHz, and the p...

Embodiment 2

[0085] 1. Send the steel plate into the expanded metal mesh punching and shearing machine, and become the expanded metal mesh body after punching and stretching.

[0086] 2. The wire stem thickness of the manufactured steel mesh workpiece is 3.0mm, the short pitch is 36mm, the long pitch is 100mm, the wire stem width is 4.05mm, the mesh width is 2000mm, and the mesh length is 4000mm.

[0087] 3. Baking and degreasing, chemically degreasing the expanded metal mesh workpiece, and baking and degreasing treatment in the temperature range of 425°C for 10 minutes until the surface is clean and oil-free.

[0088] 4. Pickling and rust removal, the expanded steel mesh workpiece after degreasing is immersed in pickling solution, the component of the pickling solution is wt98H with a mass percentage of 2.5% 2 SO 4 , 16% wt36HCl, and the balance is water; pickling is carried out in a sulfuric acid pool with alternating current, the current value is 40A, the power frequency is 9kHz, and t...

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Abstract

The invention discloses an aluminized steel sheet mesh. The aluminized steel sheet mesh comprises a steel sheet mesh, wherein from inside to outside, the steel sheet mesh includes a substrate layer, an iron-aluminum alloy layer and an aluminum layer, and preferably the iron-aluminum alloy layer is 14-29 microns in thickness. A method for preparing the aluminized steel sheet mesh comprises the following steps of I, shaping a steel coil, a steel sheet or a steel strip into a steel sheet mesh work piece through punching and drawing; II, baking to remove oil; III, acid-pickling to remove rust; IV, washing; V, surface-activating; VI, permeation-promoting; VII, drying; VIII, implementing rapid inductive aluminizing; immediately immersing the dried work piece in molten aluminum which is heated to 680-700 DEG C by an inductive way for 2-3 minutes, thus obtaining a steel sheet mesh with surface aluminized. The preparation method can be used for not only guaranteeing the mechanical performance of the steel sheet mesh, but also ensuring excellent corrosion resistance and long service life; the preparation method can be used for greatly reducing the maintenance cost of the steel sheet mesh in later period.

Description

technical field [0001] The invention relates to the field of expanded metal mesh, in particular to an aluminized expanded metal mesh and its preparation method, which is suitable for mesh-shaped tension fences and fences in the field of construction, as well as escalators and walkways for mechanical equipment, and is mainly used as mechanical equipment, highways, stadiums, It can also be used as a protective fence in airports, etc., and can also be used as escalators and walkways for oil tankers, heavy machinery, boilers, ships, etc. Background technique [0002] Expanded metal mesh is a mesh-shaped material object formed by stamping and stretching a steel plate or steel coil or steel strip through an expanded metal punching and shearing machine. Due to its advantages of material saving, firmness, and long life, it is widely used in mechanical equipment, high-speed Fences and guardrails for highways, stadiums, airports, etc., can also be used as escalators and walkways for o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B32B3/12C23C10/22C23C10/02
Inventor 费新成张雷韩孟岩刘凤生陈学辉刘丹
Owner HUBEI PROVINCIAL COMM INVESTMENT FOUR ADVANTAGE STEEL TECH
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