Aluminum Alloy Sacrificial Anode
1. Description
Aluminum alloy sacrificial anodes are a type of cathodic protection system used to protect metal structures from corrosion. They are typically made of a high-purity aluminum alloy, and are designed to corrode preferentially to the metal structure they are protecting.
The principle behind cathodic protection is that when two different metals are in contact with each other in an electrolyte (such as seawater), they form a galvanic cell. The metal with the lower electrode potential (more reactive) becomes the anode and corrodes, while the metal with the higher electrode potential (less reactive) becomes the cathode and is protected from corrosion.
2. The specification of aluminum-zinc-indium aAlloy sSacrificial anode
Alloy type
Zn
In
Cd
Sn
Mg
Si
Ti
Impurity, no more than
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
5.5-7.0
0.025-0.035
-
-
-
0.10-0.15
-
0.10
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
Model
Specification /mm
Weight / kg
A×（B1+B2）×C
AI-1
2300×（220+240）×230
310.0
AI-2
1600×（200+210）×220
190.0
AI-3
1500×（170+200）×180
130.0
AI-4
900×（150+170）×160
58.0
AI-5
1500×（148+178）×170
120.0
AI-6
850×（180+220）×180
85.0
AI-7
800×（200+280）×150
80.0
AI-8
700×（160+220）×180
72.5
AI-9
1250×（115+135）×130
56.0
AI-10
1000×（115+135）×130
46.0
AI-11
750×（115+135）×130
35.0
Inner diameter × width × thickness × gap (mm)
Weight (Kg/pair)
Core specification (mm)
Φ1020×200×35×51
68
5×50
Φ819×60×30×51
13
5×25
Φ624×80×30×51
17
5×50
Φ513×100×30×51
17
5×50
Φ487×200×45×51
41
5×50
Φ470×480×25×51
50
5×50
Φ436×480×38×51
70
5×50
Φ420×413×45×51
69
5×50
Φ385×150×59×51
32
5×50
Φ335×505×38×51
56
5×50
Φ280×250×45×51
29
5×50
Φ252×250×45×51
26
5×50
|
Model |
Specification /㎜ |
Weight / kg |
|
A×B×C |
||
|
AH-1 |
800×140×60 |
17.0 |
|
AH-2 |
800×140×50 |
15.0 |
|
AH-3 |
800×140×40 |
12.0 |
|
AH-4 |
600×120×50 |
10.0 |
|
AH-5 |
400×120×50 |
6.5 |
|
AH-6 |
500×100×40 |
5.5 |
|
AH-7 |
400×100×40 |
4.5 |
|
AH-8 |
300×100×40 |
3.5 |
|
AH-9 |
250×100×40 |
2.5 |
|
AH-10 |
180×70×35 |
1.2 |
|
AH-11 |
300×150×50 |
5.8 |
|
AH-12 |
300×150×40 |
4.6 |
Model
Specification/mm
Weight/ kg
A×（B1+B2）×C
AT-1
500×（115+135）×130
23.0
AT-2
1500×（65+75）×70
21.5
AT-3
500×（110+130）×120
20.0
AT-4
1000×（58.5+78.5）×68
13.2
AT-5
800×（56+74）×65
10.0
AT-6
1150×（48+54）×51
9.0
AT-7
250×（80+100）×85
5.0
AT-8
200×（70+90）×70
3.0
7. Aluminum alloy anode specifications for seawater cooling water systems
|
Model |
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 |
300×50 Disc shape |
11.5 |
|
AE-12 |
360×40 Disc shape |
9.0 |
|
AE-13 |
300×40 Disc shape |
7.5 |
|
AE-14 |
200×50 Disc shape |
4.0 |
|
AE-15 |
180×50 Disc shape |
3.5 |
|
AE-16 |
120×100 Disc shape |
2.5 |
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