NbC carbides in CF8C and CF8C-Plus steels


Figure 1: Commercial, standard CF8C, creep tested 850°C/500 h. Scale bar: 500 nm.


Figure 2: New CF8C-Plus, creep tested 850°C/23,000 h. Scale bar: 500 nm.

Carbide name: NbC
Record No.: 883
Carbide formula: NbC
Carbide type: MC
Carbide composition in weight %: No data
Image type: TEM
Steel name: CF8C-Plus
Mat.No. (Wr.Nr.) designation: No data
DIN designation: No data
AISI/SAE/ASTM designation: No data
Other designation: No data
Steel group: Cast stainless steels
Steel composition in weight %: CF8C: Fe-19Cr-10Ni-0.07C-1.0Nb-0.7Mn-1Si. CF8C-Plus: Fe-19Cr-12Ni-0.07C-0.07Nb-0.4Si-+Mn+N(new heats + 3Cu-1W).
Heat treatment/condition: No data
Note: CF8C-Plus Has “Super”Creep Resistance at 850 C Because Abundant, Stable Nano-Scale NbC Pin Dislocations.
Links: No data
Reference: Not shown in this demo version.

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