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High and Low Si 0.1% C Steel
Steel name: High and Low Si 0.1% C Steel
Diagram No.: 3686
Type of diagram: CCT
Chemical composition in weight %:
Low Si steel: 0.10% C, 0.16% Si, 1.38% Mn, 0.019% P, 0.011% S, 0.017% Cr, 0.003% Mo, 0.019% Ni, 0.003% V, 0.013% Cu, 0.024% Al, 0.002% Sn, 0.005% Nb, 0.003% Ti, 0.0003% B, 0.0005% Ca, 0.0056% N, 0.0042% O
High Si steel: 0.105% C, 1.40% Si, 1.35% Mn, 0.017% P, 0.011% S, 0.017% Cr, 0.014% Mo, 0.022% Ni, 0.003% V, 0.026% Cu, 0.026% Al, 0.002% Sn, 0.005% Nb, 0.004% Ti, 0.0003% B, 0.0005% Ca, 0.0038% N, 0.0041% O
Steel group: Silicon steels
Note: CCT diagrams for low-Si steel (a, c, e) and high-Si steel (b, d, f): (a, b) non-deformed austenite condition; (c, d) recrystallised austenite condition; (e, f) non-recrystallised austenite condition. The experimental programme consisted of two phases. Initially, continuous cooling transformation diagrams (CCT) were constructed using cooling rates in the range 0.3–90 K s-1 for three austenite conditions: 1. reheated at 1250°C for 2 min, cooled at 2 K s-1 to 950°C, followed by cooling to room temperature at different cooling rates (coarse austenite grain structure); recrystallised austenite obtained by reheating at 1150°C for 2 min, cooling at 2 K s-1 to 950°C, 30%
deformation in compression and a 20 s hold before continuous cooling; pancaked austenite formed using schedule (2) with a further deformation (30% in compression) in the non-recrystallised region (800°C for low Si and 850°C for high Si) before continuous cooling.
Reference: Not shown in this demo version.
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Disclaimer: The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.