Pretty good service too
http://www.tastynuts.com/site/frameset.htm
ALUMINIUM TECHNICAL SPECIFICATION
MATERIAL SPECIFICATIONS: 7075T73 high tensile aluminium.
MANUFACTURING PROCESS: Head - cold formed: shank - thread rolling.
ULTIMATE STRENGTH (PSI): Chemically brightened and colour anodised to between 8 and 12 microns thick.
YEILD STRENGTH (PSI): 490-560Mpa; stronger than mild steel.
WEIGHT: 60% lighter than steel; 40% lighter than titanium.
CORROSION: Anodised aluminium is not affected by saltwater, road film or mild acids.
APPLICATIONS: Aluminium is suitable for use in all non-safety critical areas e.g. mudguards, screens, fairings, engine casings, huggers, fuel caps, number plates, lamp units, exhaust cans, heel plates, clutch levers, exhaust manifold brackets, fuel cap surround, air filter plus many more.
SAFETY:
Do not use Aluminium in any safety critical areas.
TITANIUM TECHNICAL SPECIFICATION
MATERIAL SPECIFICATIONS: Grade 5 high tensile Titanium
[Edited on 14-5-04 by mangogrooveworkshop]