Alloys Suitable for Anodizing

Material Suitable For Anodizing Applications

This Aluminum Alloy Reference matches various alloys with finishing advice. Source: Aluminum Anodizers Council (AAC) Technical Bulletin #4-13, 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