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Aluminum Anode for Storage Tank

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Aluminum Anode for Storage Tank


Aluminum Anode for Storage Tank

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 constructions.

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


Implementing Standard

U.S.Mil-A-1800 K/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.

Specifications

16kg, 22kg, 23kg, 35kg, 50kg, 85kg, 120kg, 131kg, 180kg or others

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 Properties

Type/Index/Performance

Open Circuit Potential-V(SCE)

Working Potential-V(SCE)

Actual Capacitance(A.h/kg)

Current Efficiency%

Dissolution Status

Ordinary 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


Specifications of Aluminum Anode for Storage Tank

Type

Specification/mm

Weight (kg)

A(B1+B2)C

AC-1

750(115+135)130

35.0

AC-2

500(115+135)130

23.0

AC-3

500(105+135)100

16.0

AC-4

300(105+135)100

10.0


Aluminum Alloy Sacrificial Anode for Storage Tank

Aluminum Anode for Storage Tank





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