Steel name: 0.29C-1.28Mn-0.34Si-0.09V-0.019Ti
Diagram No.: 4033
Type of diagram: CCT
Chemical composition in weight %: 0.29% C, 1.28% Mn, 0.34% Si, 0.028% S, 0.017% P,
0.13% Cr, 0.08% Ni, 0.01% Mo, 0.09% V, 0.019% Ti, 0.134% Cu, 0.015% Sn, 0.036% Al, 106 ppm N2,
45 ppm O2, 10 ppm N free.
Note: Medium carbon steel microalloyed with vanadium and titanium. CCT diagram for steel 2. The
unbroken line (-) represents the conditions T
gamma=1050
oC, T
G=13 µm (5-7 ASTM) and the dashed
line (-- -) represents the conditions, T
gamma=1250
oC, T
G=26 µm (3-4 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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