Microstructure and Properties of Super-Ferritic Stainless Steels Used for Marine Construction after Fire Exposure

Figure 4

The precipitate morphology of the solution-treated samples after fire simulation treatment at different temperatures: (a) 600°C × 1 h, (b) 600°C × 4 h, (c) 700°C × 1 h, (d) 700°C × 4 h, (e) 800°C × 1 h, (f) 800°C × 4 h.

(a)

(b)

(c)

(d)

(e)

(f)