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3003-H32 VS 5052-H32 ALUMINUM

Arnprior Fire Trucks Corp typically builds using 3/16" 5052-H32 Aluminum. Here is a brief description of the difference in the metals. 
As trucks are built faster, cheaper and with less materials, a number of companies are also using a thinner aluminum, usually 1/8" sheets.

 

3000 series:

Manganese is the major alloying element of this group, which are generally non-heat-treatable, because only a limited percentage of manganese, up to about 1.5 percent, can be effectively added to aluminum. 

It is used as a major element in only a few instances. One of these, however, is the popular 3003, used for moderate-strength applications requiring good workability.

 

5000 series:

Magnesium is one of the most effective and widely used alloying elements for aluminum.  When it is used as the major alloying element or with manganese, the result is a moderate to high strength non-heat-treatable alloy. 

Magnesium is considerably more effective than manganese as a hardener, about 0.8 percent magnesium being equal to 1.25 percent manganese, and it can be added in considerably higher quantities. 

They usually have the highest welded strengths among aluminum alloys and good corrosion resistance.

 

Typical Mechanical Properties of the Alloys

 

 

Tension

Brinell Hardness Number (500 kg load, 10mm ball)

Ultimate Shearing Strength (ksi)

Endurance Limit

(ksi)

 

Strength

(ksi)

Elongation

In 2 inches (%)

 

Ultimate

Yield

1/16” Thick Specimen

½” Diameter Specimen

3003-H14

22

21

8

16

40

14

9

5052-H32

33

28

12

18

60

20

17

 

Generally the 5052-H32-aluminum alloy is:

  • stronger

  • more corrosion resistant

  • more ductile

  • more wear resistant

  • more fatigue resistant

than the 3003-H14-aluminum alloy.

Monday, November 19, 2012