7005 aluminium alloy
7005 is an aluminium alloy used bicycle frames, due to its relative ease of welding it does not require expensive heat treating - it is however harder to form making manufacture more challenging.
It has an Ultimate Tensile Strength of 350MPa, a Fatigue Strength of 150MPa and a density of 2.78g/cm³ [1] compared to a Ultimate Tensile Strength of 310MPa and Fatigue Strength of 96.5 MPa and a density of 2.70g/cm³ for 6061 aluminium alloy. [2]
It does not need to be precipitation hardened, unlike 6061, but can be cooled in air.[3]
Specific forms of AL 7005 include:
- 7005-O
- 7005-T5
- 7005-T53
- 7005-T6
Chemical composition
The alloy composition of 7005 is:
References
- "matweb Aluminium 7005".
- "matweb Aluminium 6061-T6".
- Davis, Joseph R. (1993). Aluminum and Aluminum Alloys. ASM International. ISBN 9780871704962.
- "Make it From". Make it From. Archived from the original on 2015-11-09.
- "Archived copy". Archived from the original on 2014-04-27. Retrieved 2012-08-26.CS1 maint: archived copy as title (link)
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