Type | Size | Morphology | Precipitate |
I | 1 - 1.5 µm in length | Intergranular rod-like | (Fe, Mn)3C |
II | 120 - 400 nm | Cuboid, round, oblong, ellipsoidal | (Ti, Nb)N |
III | 10 - 120 nm | Spherical, plate | (Nb, Ti)C |
IV | 3 - 5 nm | Needle-like | (Ni, Ti)C |