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-   -   Extruded aluminum material hardness by numeric value (https://www.askmehelpdesk.com/showthread.php?t=128714)

  • Sep 12, 2007, 08:05 AM
    chevrod
    extruded aluminum material hardness by numeric value
    What is the difference between a 7075 T73511 extruded aluminum alloy shape and the same shape in a 7075-T6511?
  • Sep 12, 2007, 08:12 AM
    Lowtax4eva
    The T6 or T7 is the temper number, T6 would be less hard but more flexible T7 would be harder but more brittle.

    Is that what you were wondering?
  • Sep 13, 2007, 06:38 AM
    chevrod
    Actually I was curious about the numbers following the T6/T7. I do know the numbers represent extruded shapes but what else do they mean?

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