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. 2022 Jul 20;8(8):e10002. doi: 10.1016/j.heliyon.2022.e10002

Table 2.

The experiments results of the metal grade determination based on the case-based reasoning approach.

Metal type Metal parameters - Хі The number of the precedent Metal grade - the situation to be solved is ri
Structural Steel 0.23С; 0.22Cr; 0.5Mn; 0.018S; 0.019P 20 20пс(A 29 1020)
Structural Steel 0.1С; 0.09Cr; 0.35Mn; 0.01S; 0.03P 12 08кп(A 622)
Structural Steel 0.2С; 0.24Cr; 0.6Mn; 0.02S; 0.02P 19 20пс(A 29 1020)
Structural Steel 0.12С; 0.09Cr; 0.38Mn; 0.02S; 0.027P 13 08кп(A 622)
Structural Steel 0.2С; 0.19Cr; 0.29Mn; 0.03Si; 0.03S 7 Ст3кп (A 107)
Structural Steel 0.18С; 0.2Cr; 0.3Mn; 0.03Si; 0.04S 6 Ст3кп (A 107)
Structural Steel 0.1C; 0.18 Si; 0.38 Mn; 0.02S; 0.03P 4 Ст1сп(A192 Gr A)
Structural Steel 0.09C; 0.2 Si; 0.43 Mn; 0.03S; 0.03P 3 Ст1сп(A192 Gr A)