i need TTT diagram 

https://books.google.tn/books?id=IePhmnbmRWkC&pg=PA76&lpg=PA76&dq=diagramme+TTT+MAR-M-509&source=bl&ots=kohfJNEfQz&sig=NJV2UXiov8u5Qz7hzC8ai7mWxLY&hl=fr&sa=X&ved=0ahUKEwiAv-Xwx8PLAhXBDxoKHWY1A3YQ6AEIJTAB#v=onepage&q=diagramme%20TTT%20MAR-M-509&f=false

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