Definition of blocks
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The table thus produced is "diagonal by blocks", that is to say, the table is broken down into blocks.


* The first 8 values of the keyword VALE under the keyword factor HIST_EXP are found in block 1 with NB_POINT defining quadruplets,


* Block 2 defines the respective proportions of ferrite, pearlite and bainite, the following values of the keyword VALE under the keyword factor HIST_EXP,


* Block 3 defines the laws associated with each diagram TRC.