Cementite in eutectoid steel

Figure 1: Cementite in eutectoid steel, Mag. 500x.

Carbide name: Cementite
Record No.: 30
Carbide formula: Fe3C
Carbide type: M3C
Carbide composition in weight %: No data
Image type: LM
Steel name: Eutectoid steel
Mat.No. (Wr.Nr.) designation: No data
DIN designation: No data
AISI/SAE/ASTM designation: No data
Other designation: No data
Steel group: Carbon steels
Steel composition in weight %: 0.87% C, 0.44% Mn, 0.17% Si, 0.013% P, 0.006% S, 0.39% Ni, 0.21% Cr.
Heat treatment/condition: 985 C for 35 min/675 C for 2 1/2 h/air cooled.
Note: Eutectoid structure. At eutectoid point, S (723 C and 0.8% wt.% C) 'eutectoid' or 'pearlitic' cementite (Fe3C) precipitates in the form of lamellae separated by ferrite.
Links: No data
Reference: Not shown in this demo version.

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