Breakdown and Evolution of the Protective Oxide Scales of AISI 304 and AISI 316 Stainless Steels under High-Temperature Oxidation

Table 5

EDX spectra analysis of the oxides in different areas for AISI 316 at 𝑇=1000°C.

Oxide	Interior oxides %	Intermediate oxides % (blanket)	External oxides % (blanket)
Cr2O3	72.67	41.42	14.18
Fe3O4	26.39	32.13	79.21
NiO	1.24	7.91	6.27
MnO	—	18.54	—
Total	100.00	100.00	100.00