Nb–Ti Micro-alloyed Steel

Steel name: Nb–Ti Micro-alloyed Steel
Diagram No.: 4995
Type of diagram: CCT
Chemical composition in weight %: 4995-2.jpg">See the table.
Steel group: Nb–Ti micro-alloyed steels
Note: CCT curves of (a) Steel T1; (b) Steel T2; (c) Steel T3; (d) Steel T4. Figures (a) through (d) show the CCT curves of the non-deformed and hot deformed Nb–Ti micro-alloyed steels. The regions for the transformations from austenite to ferrite and pearlite were enlarged due to hot deformation. At slow cooling rates, Ar3 was raised by about 100°C due to hot deformation, and this increment decreased with increasing cooling rates. The effect of hot deformation on the end temperatures for austenite to pearlite transformation was not significant.
Reference: Not shown in this demo version.

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