We are a professional aluminum anode manufacture

  We are a professional aluminum anode manufacturer
According to the composition and production process characteristics of aluminum alloys, they are usually divided into deformation and casting aluminum alloys The main industrial applications are aluminum manganese, aluminum magnesium, aluminum magnesium copper, aluminum magnesium silicon copper, aluminum zinc magnesium copper and other alloys Wrought aluminum alloy is also called cooked aluminum alloy
According to its composition and performance characteristics, it is divided into five kinds: antirust aluminum, hard aluminum, super hard aluminum, forged aluminum and special aluminum
Aluminum alloy is made of pure aluminum with some alloy elements, such as aluminum & mdash; Manganese alloy, aluminum & mdash; Copper alloy, aluminum & mdash; Copper & mdash; Magnesium hard aluminum alloy, aluminum & mdash; Zinc & mdash; Magnesium & mdash; Copper superhard aluminum alloy
Aluminum alloy has better physical and mechanical properties than pure aluminum: easy processing, high durability, wide application range, good decorative effect and rich colors
Aluminum alloy is divided into antirust aluminum, hard aluminum, super hard aluminum and other types
Each type has its own scope of use and has its own code for users to choose

Aluminum alloy still maintains the characteristics of light weight, but the mechanical properties are significantly improved

We are a professional aluminum anode manufacturer
The corrosion resistance of aluminum alloy depends on the stability of oxide film in different environments
In dry atmosphere, the passive film is not easy to be damaged and is stable
Local pitting corrosion will occur after long-term exposure to outdoor atmospheric environment
This is mainly due to the formation of anoxic zone on the metal surface in the water film under dust ions after the deposition of dust ions on the surface, resulting in the destruction of passive film and the decline of self passivation ability
In the industrial atmosphere, the protective film is easy to be damaged and the corrosion resistance decreases, especially in the areas polluted by sulfur oxide acid rain
The front of aluminum is generally blackened, with black densely covered white spots or gray densely covered black spots
In the marine atmosphere, CL & mdash; It has a strong destructive effect on the passive film

The passive state of aluminum alloy in seawater is unstable, and local corrosion is the main form of corrosion
The common local corrosion is pitting corrosion and crevice corrosion
Pure aluminum will not produce intergranular corrosion, and aluminum alloy has great sensitivity to intergranular corrosion
Stress corrosion mainly occurs in heat-treated high-strength aluminum alloys, and they are intergranular cracking

We are a professional aluminum anode manufacturer
When aluminum alloy is in contact with most metals in seawater, it is anodic, which will accelerate the corrosion of aluminum
It is also said that the corrosion of aluminum alloy is the most serious in the full immersion area, the splash area is the lightest, and the tidal range area is in the middle
In the full immersion area or tidal range area, the marine fouling on the surface is more serious than other metals, which will aggravate the local corrosion of aluminum alloy

In industrial environment, the average corrosion rate of aluminum alloy in 20 years is about 1-MU; m/a。 Under different corrosion environments, the average pitting corrosion degree of aluminum alloy in 20 years is much more serious
The data are as follows: rural environment 10~55μ m； Urban environment 100 ~ 190μ m； Marine environment 85~260μ m。
When aluminum is in contact with steel, copper, stainless steel and other metals, there is a risk of galvanic corrosion
Therefore, aluminum and these metals should be insulated from each other

Aluminum alloy contains 4
5% magnesium and 1% manganese, which is called seawater resistant aluminum alloy
It has good corrosion resistance in marine environment
This aluminum alloy is mostly used in antifouling paint without cuprous oxide
Because the antifouling paint with cuprous oxide as the main antifouling agent is in contact with the aluminum alloy hull, the hull will be corroded due to galvanic action

We are a professional aluminum anode manufacturer
Metal zinc and aluminum have great atmospheric corrosion resistance
Zinc or aluminum is sprayed on steel components
Zinc and aluminum are negative potential and form sacrificial anode protection with steel, so that steel is basically protected
At present, aluminum spraying coating is used to prevent the corrosion of industrial atmosphere and marine atmosphere
Its characteristics are as follows:
(1) The aluminum spraying coating has firm adhesion with steel substrate, long coating life and good long-term economic benefits;
(2) Flexible process, suitable for long-term protection of important large and difficult to maintain steel structures, and can be constructed on site;
(3) Zinc spraying or aluminum spraying coating and anti-corrosion coating sealing can greatly prolong the service life of the coating
From the effect of theory and practical application, zinc spraying or aluminum spraying coating is the best bottom layer of anti-corrosion coating
The protection life of the composite coating of metal spraying coating and anti-corrosion coating is longer than the sum of the life of metal spraying coating and anti-corrosion coating, which is several times that of a single coating

Aluminum alloy sacrificial anode product introduction:
Aluminum alloy sacrificial anode executive standard GB / t4948-2002
Aluminum alloy sacrificial anode is the main production product of our company
It is often used in a series of soil such as seawater steel pile, seawater pipeline, inner wall of oil storage tank, circulating water pipeline, ballast tank protection, etc
aluminum alloy sacrificial anode is not recommended
Its main function is to protect anti-corrosion and increase the service life of protection
The production process is simple and the workmanship is fine
The alloy composition in it is very key to the aluminum alloy sacrificial anode
The composition proportion must be arranged according to the national standard
Workers strictly control each process, so as to achieve precision and seek perfection, and present the most satisfactory products to customers

We are a professional aluminum anode manufacturer
Model and specification of aluminum alloy sacrificial anode:
The commonly used aluminum alloy sacrificial anode specifications include 2kg, 10kg, 23kg, 35kg, 80kg, 120kg, etc
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All specifications and dimensions can be customized according to the customer's requirements
The commonly used internal walls of storage tanks are AC-2 23kg and ac-1 35kg, which can also be customized according to the design requirements
In addition, the composition requirements inside can be distributed according to the requirements provided and can be purchased with confidence
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Jiaolizuo Light Alloy Co
, Ltd