Go to www.gstitanium.com you will be able to find the answer, this company works with most grades of ti. and many other alloys. Go there and ask!
Its just to help instructors, visitors, and audience members determine which dancer is in which level.
It is one grade higher genius!
AA, A, and B are the different types of egg grades.
The strength of steel is graded based on it's yield strength- the point that it will have a permenant deformation from a load. Steel will be graded however an engineer requires it to be in order to...
1234567890 thanks:)