Go to the aluSelect Home Page Corrosion and Anodizing Properties
Wrought Alloys
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Casting Alloys

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Alloys:

EN AW-1050A / ISO Al99,5
Temper Corrosion Anodizing
COA
COIA
COMA
CORA
SCOA
EXCA
ICOA
PCA
ANBA
ANCA
ANHA
ANPA
6
6
5
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
6
6
6
6
6
5
6
6
6
6
6
6
6
6
6
6
6
5
6
-
6
6
6
6
6
6
6
 
Key to Parameters:
COA:  Corrosion index, general  scale 2-7
COIA:  Industrial atm corr index  scale 2-7
COMA:  Marine atm corr index  scale 2-7
CORA:  Rural atm corr index  scale 2-7
SCOA:  Stress corrosion index  scale 2-7
EXCA:  Exfoliation corrosion index  scale 2-7
ICOA:  Intercrystalline corrosion index  scale 2-7
PCA:  Pitting corrosion index  scale 2-7
ANBA:  Bright anodising index  scale 2-7
ANCA:  Colour anodising index  scale 2-7
ANHA:  Hard anodising index  scale 2-7
ANPA:  Protective anodising index  scale 2-7

 

Key to Values:
-:  No information available  
1:  Not applicable  
2:  Unsuitable  
3:  Not recommended  
4:  Acceptable  
5:  Good  
5-6:  Good to Very Good  
6:  Very Good  
7:  Excellent