Steel name: 0.29C-1.34Mn-0.26Si-0.10V-0.003Ti
Diagram No.: 4032
Type of diagram: CCT
Chemical composition in weight %: 0.29% C, 1.34% Mn, 0.41% Si, 0.026% S, 0.021% P,
0.09% Cr, 0.10% Ni, 0.02% Mo, 0.10% V, 0.003% Ti, 0.244% Cu, 0.020% Sn, 0.029% Al, 167 ppm N2,
30 ppm 02, 18 ppm N free.
Note: Medium carbon steel microalloyed with vanadium and titanium. CCT diagram for steel 1. The
unbroken line (-) represents the conditions T
gamma=1050
oC, T
G=30-58 µm (9-10 ASTM) and the dashed
line (-- -) represents the conditions, T
gamma=1250
oC, T
G=105 µm (7 ASTM).
Source: F. PENALBA, C. GARCIA DE ANDRES, M. CARSI, F. ZAPIRAIN, Austenitic grain size evolution
and continuous cooling transformation diagrams in vanadium and titanium microalloyed steels,
JOURNAL OF MATERIALS SCIENCE 31 (1996) 3847-3852.
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