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Common Aluminum Anode for Seawater Cooling System

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Common Aluminum Anode for Seawater Cooling System


Common Aluminum Anode for Seawater Cooling System

The most commonly used aluminum alloy anodes are Al-Zn-In series and Al-Zn-Hg series, applicable to the cathodic protection of ships, ports and marine facilities in seawater, sea water cooling system and reservoir deposited water site and other construtures.

Aluminum zinc indium system (AZI) sacrificial anode is casted by high purity aluminum, zinc, indium and other metal alloy. Aluminum alloy anode is produced in line with the implementaion of GB4948-2002 Aluminum Zinc Indium Alloy Sacrificial Anode.

The aluminum alloy can prevent the corrosion of steel structure in seawater, widely used for the anti-corrosion of the ship hull, pressurized water tank, seawater pipeline, port and terminal facilities, marine engineering, drilling platform, condensator and pipelins in soil. The performance of aluminum anode is influenced by the chemical composition of the alloy, so we offer different composition of aluminum alloys to meet our customer requirements.


Implementing Standard

U.S.Mil-A-1800K/W, gb4948-2002

Main Performance

The driving voltage is low; light weight; high current efficiency.

Application

Aluminum alloy sacrificial anode is used for the metal anti-corrosion cathodic protection of ships, mechanical equipment, offshore engineering and port facilities in seawater as well as the protection of pipes, cables and other facilities in mud.


Note: our company can also design and produce all kinds of special specifications and properties of aluminum alloy sacrificial anode according to the different needs of customers.

Chemical Composition

Alloy Type

Zn

In

Cd

Sn

Mg

Si

Ti

Impurity,

Al

Si

Fe

Cu

Al-Zn-In-Sd

2.5-4.5

0.018-0.050

0.005-0.020

-

-

-

-

0.10

0.15

0.01

margin

Al-Zn-In-Sn

2.2-5.2

0.020-0.045

-

0.018-0.035

-

-

-

0.10

0.15

0.01

margin

Al-Zn-In-Si

5.7-7.0

0.025-0.035

-

-

-

0.10-0.15

-

0.10

0.0-15

0.01

margin

Al-Zn-In-Sn-Mg

2.5-4.0

0.020-0.050

-

0.025-0.075

0.50-1.00

-

-

0.10

0.15

0.01

margin

Al-Zn-In-Mg-Ti

4.0-7.0

0.020-0.050

-

-

0.50-1.50

-

0.01-0.08

0.10

0.15

0.01

margin

Electrochemical Properities

Type/Index/Performance

Open Circuit Potential-V(SCE)

Working Potential-V(SCE)

Actual Capacitance(A.h/kg)

Current Efficiency%

Dissolution Status

Ordinay Aluminum Alloy Sacrificial Anode

1.10-1.18

1.05-1.12

2400

85

Corrosion products are easy to fall off, the surface dissolution is even

High Efficiency Aluminum Alloy Sacrificial Anode

1.10-1.18

1.05-1.15-2

2600

90

Highly Activated Aluminum Alloy Sacrificial Anode

1.45-1.50

1.40-1.45

2080

70

Common Aluminum Anode for Seawater Cooling System

Type

Specification mm

Weight kg

A(B1+B2)C

AE-1

1200(200+280)150

120.0

AE-2

800(200+280)150

80.0

AE-3

1000(115+135)130

46.0

AE-4

500(115+135)130

23.0

AE-5

1000(80+100)80

20.0

AE-6

500(105+135)100

16.0

AE-7

500(80+100)80

10.0

AE-8

400(110+120)50

7.0

AE-9

300(140+160)40

5.0

AE-10

200(90+110)40

3.0

AE-11

30050 Disc Shape

11.5

AE-12

36040 Disc Shape

9.0

AE-13

30040 Disc Shape

7.5

AE-14

20050 Disc Shape

4.0

AE-15

18050 Disc Shape

3.5

AE-16

120100 Disc Shape

2.5




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