Isothermal or TTT diagrams

Are these available on the web? I'm looking for a carbon and Air-Hardening steel example.
Thanks.

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Woody:
Some diagrams are available.
For 0.8% carbon steel there is a TTT diagram at
http://www2.umist.ac.uk/material/research/intmic/features/isotherm/tttdiag.htm
For tool steel CCT diagrams and some TTT diagrams go to the Boehler Uddeholm web site http://www.bucorp.com/coldworksteels/aza_bohler_item.asp?iItem_Id9
and look up .pdf data sheets for A2, Hotvar, Vanadis 4, Vanadis 6 etc.
It is possible to estimate or calculate these via IGOR. See http://engm01.ms.ornl.gov/TTTCCTPlots.HTML (Use at your own risk!)
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Note: It is understood that this material is intended for general information only and should not be used in relation to any specific application without independent examination and verification of its applicability and suitability by professionally qualified personnel. Those making use thereof or relying thereon assume all risk and liability arising from such use or reliance.
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