Thursday, July 27, 2017
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6013 Aerospace Aluminum...


6013 is a new medium strength aerospace alloy that provides improved corrosion resistance and formability for use in aerospace applications including primary aircraft structures. Alloy 6013 is an aluminum-magnesium-silicon-copper alloy that has yield strengths 12% higher than alclad 2024-T3 and is virtually immune to exfoliation and stress corrosion cracking. Industry use has demonstrated that 6013 in the T4 condition has better stretch forming characteristics than other aerospace aluminum alloys. Parts can be formed in the T4 condition and aged to the T6 condition without costly heat-treating or annealing operations. Heat treatable.

Mechanical Properties of Metals
Tensile (Bending) Strength Measured in PSI

Tensile Strengths of Stainless Steel Measured in PSI:


55,000 PSI

Stainless Steel (3004)

70,000 PSI

Tensile Strengths of Aluminum Measured in PSI:

Alloy and Temper

Tensile Strength (PSI)


32,000 PSI


35,000 PSI


39,000 PSI


75,000 PSI

Telepole's 6013 is of higher strength than stainless steel and double the strength of any other aluminum flagpoles. Moreover the wall thickness is almost double than other flagpoles, please do the math.

Uses for 6013 include primary structural applications including fuselage panels, leading and trailing edges and engine cowlings. Lockheed has chosen 6013-T6 for the fuselage of the Navy's P-7A aircraft. Canadair has specified 6013-T6 for the leading edges of the Regional Jet.

Questair has been producing the Questair kit aircraft since 1986 entirely from 6013. Major jet aircraft builders are considering 6013 for applications on large commercial aircraft.

Alloy 6013 is receiving consideration in most new programs taking advantage of the improved formability, lower density and corrosion resistance.

While all the 6000 series extruded aluminum tubes used by other manufacturers have a tensile strength (measured in PSI) of about 30,000. Drawn aluminum 6013 can exceed up to 75,000 PSI.

When comparing the strength of our poles versus our competitors, the strength of aluminum tubes is determined by:
The material strength - 6013 aluminum virtually doubles the strength
• The wall thickness - 10 gage wall thickness versus 16 gage Wall thickness
• 5 sections instead of 4 sections

Lacking the combination of above three criteria and claiming that a wider diameter flagpole is stronger is deceptive. In fact the larger the tubing diameter, the less pressure it can withstand.