MATERIAL IN SOLIDWORKS 2016 SP4.

HI ALL. I HAVE A PROBLEM ABOUT THE MATERIAL IN SOLIDWORKS 2016 SP4.  WHEN I SELECT MATERIAL IN MAT SELECTION TO SOME MATERIAL BUT IN THE CUT LIST IS NOT SAME THE MATERIAL AS I SELECT. WHAT IS THIS ?

THE MAIN MATETIAL IS SS400 ( CREATED FROM ASTM A36 )

THE BODY CUT LIST IS NOT SS400 -- WHY ? 

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