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. 2020 Aug 1;13(15):3402. doi: 10.3390/ma13153402

Table 1.

Chemical composition of investigated stainless steels, in wt.%.

Material C Si Mn Cr Ni Mo N PREN PRENMn
18Cr21Mn2NiN <0.06 0.1 21.2 18.2 1.7 0.5 0.6 29 8
20Cr20Mn7Ni2MoN <0.03 20.0 20.0 7.0 2.3 0.7 39 19
18Cr15Ni3Mo (S31603) <0.03 0.3 1.8 17.5 14.7 2.8 0.1 28 26
27Cr29Ni3Mo (N08028) <0.03 0.3 2.8 27.4 29.4 3.3 0.3 43 40

PREN = %Cr + 3.3 × %Mo + 16 × %N [24,25]. PRENMn = %Cr + 3.3 × %Mo + 16 × %N − 1 × %Mn [26,27].