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Anodized Aluminum Sign Blanks

Anodized Aluminum Sign Blanks

The anodize oxide structure originates from the aluminum substrate and is composed entirely of aluminum oxide.

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  • Product Details

 Description of  anodized
 Anodizing  is an electron chemical process that converts the metal surface into a  decorative, durable, corrosion-resistant, anodize oxide finish. Aluminum is  ideally suited to anodizing, although other nonferrous metals, such as  magnesium and titanium, also can be anodized.
 
 The anodize oxide structure originates from the aluminum substrate and is  composed entirely of aluminum oxide. This aluminum oxide is not applied to the  surface like paint or plating, but is fully integrated with the underlying  aluminum substrate, so it cannot chip or peel. It has a highly ordered, porous  structure that allows for secondary processes such as coloring and sealing.
 
 Anodizing is accomplished by immersing the aluminum into an acid electrolyte  bath and passing an electric current through the medium. A cathode is mounted  to the inside of the anodizing tank; the aluminum acts as an anode, so that  oxygen ions are released from the electrolyte to combine with the aluminum  atoms at the surface of the part being anodized. Anodizing is, therefore, a  matter of highly controlled oxidation—the enhancement of a naturally  occurring phenomenon.

 

Anodized aluminum sign blanks

  • Radius corner

  • Durable scratch resistant anodized  & sealed surface

  • Custom shapes available

  • Holes or adhesive backing for mounting

 

Aluminum  for signs

  • Alloy 5052  Temper H38

  • Chemical  Composition Limits (%)

Si

Fe

Cu

Mn

Mg

Cr

Ni

Zn

Ti

Others

Total

AL
     Min.

0.25

0.4

0.10

0.10

2.2-2.8

0.15-0.35

 

0.10

 

 0.05

0.15

 Remainder

Magnesium gives this  alloy its enhanced corrosion resistance, work ability, strength, and weld  ability. Typical uses include aircraft fuel tanks, electronic mounting plates  and panels, fan blades, refrigeration liners, storm shutters, and  utensils.     

  • Mechanical  Property Limits

Alloy
      Temper

Specified
     thickness

Tensile strength

Elongation
     in 2 inches %

Ultimate

Yield

 

inches

min

max

min

max

Yield

5052
     H38

0.006-0.007
     0.008-0.031
     0.032-0.128

39.0
     39.0
     39.0

-
     -
     -

32.0
     32.0
     32.0

-
     -
     -

2
     3
     4

 

 Please  contact us to let us help provide you the best material for outdoor signs.

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