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ALLOYS SUITABLE FOR ANODIZING

This Aluminum Alloy Reference matches various alloys with finishing advice. Source: Aluminum Anodizers Council (AAC) Technical Bulletin #2-94, Aluminum Alloy Reference for Anodizing, issued March, 1994


	Series (AA)*


	Alloying Constituents


	Metal Properties


	Coating Properties


	Uses


	A.Q. Types**


	Non- A.Q.** Types


	1XXX


	None

soft

conductive

clear

bright

cans

architectural


	none

1100

1175


	2XXX


	Copper

very strong

hard

low elongation

yellow

poor protection

aircraft

mechanical


	none

2011

2017

2219
2224


	3XXX


	Manganese

strong

small grain


	grayish- brown

cans

architectural

lighting


	none

3003

3004


	4XXX


	Silicon

strong

fluid


	dark gray

architectural

lighting


	none

4043

4343


	5XXX


	Magnesium

strong

ductile

fluid

clear

good protection

architectural

welding wire

lighting

5005

5657

5052

5252


	6XXX

Magnesium

and Silicon

strong

ductile

clear

good protection

architectural

structural

6063

6463

6061

6101


	7XXX


	Zinc


	very strong

clear

good protection


	automotive


	none

7029

7046

7075

*AA - Aluminum Association

**A.Q. - Anodizing Quality - material suitable for architectural anodizing applications




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