(Cr, Fe)7C3 carbides in chromium cast iron

Figure 1: (Cr, Fe)7C3 carbides in chromium cast iron, Mag. 100x.

Carbide name: (Cr, Fe)7C3
Record No.: 38
Carbide formula: (Cr, Fe)7C3
Carbide type: M7C3
Carbide composition in weight %: No data
Image type: LM
Steel name: Chromium cast iron
Mat.No. (Wr.Nr.) designation: No data
DIN designation: No data
AISI/SAE/ASTM designation: No data
Other designation: No data
Steel group: Cast irons
Steel composition in weight %: 3.90% C, 1.09% Mn, 31.60% Cr.
Heat treatment/condition: As-cast
Note: Large, white platelets of primary (Cr, Fe)3C and a eutectic consisting of fairly thin, white needles of (Cr, Fe)3C and austenite transformed by a eutectoid reaction into ferrite and (Cr, Fe)3C carbide (the later constituents is the very fine precipitation lying between the eutectic carbide needles).
Links: No data
Reference: Not shown in this demo version.

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