Abstract:Abstract-By using the analysis tools of scanning electron microscope (SEM) and energy dispersive X-ray (EDX), the reason for the disqualified Z-direction performance of a 60mm Q370qEZ35 heavy steel plate was investigated. The results showed that the disqualified Z-direction performance of Q370qEZ35 was due to the presence of a large number of inclusions, the types of which were mainly massive and striplike (Nb, Ti)C and metal Nb inclusions as well as spherical oxide (MgO, Al 2 O 3 , etc.) and sulfide inclusion… Show more
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