Effect of Mn Content and Solution Annealing Temperature on the Corrosion Resistance of Stainless Steel Alloys

Table 4

Corrosion data obtained by linear polarization resistance experiment in 0.5 M NaCl solution at room temperature, 25°C.

#Alloy	Corrosion current; 𝐼corr/A	Polarization resistance; 𝑅p/KΩ	Corrosion rate; CR/mpy
1Ni-5Mn (1030/2 h)	4.117𝐸−8	632.8	94.06𝐸−3
1Ni-5Mn (1050/0.5 h)	3.770𝐸−8	691.1	86.12𝐸−3
4Ni-1Mn (1030/2 h)	5.012𝐸−8	712.8	83.51𝐸−3
4Ni-1Mn (1050/0.5 h)	2.474𝐸−8	1053.0	56.53𝐸−3