98
Z. Liu et al.
Table 1
Correlation coefficient of dephosphorization converter production data
Pearson
Molten iron [% C]
iron [% Si]
iron [% P]
iron [% Mn]
iron Steel scrap T
iron
T
steel
[% C]
steel [% P]
steel [% Mn]
steel Molten steel
Molten iron 1
0.092
−0.105
0.226
0.262
−0.091
0.057
0.054
−0.007
0.053
0.168
0.35
[% C]
iron
0.092
1
0.526
0.266
0.331
0.062
0.306
0.129
0.219
0.017
0.202
0.108
[% Si]
iron
−0.105
0.526
1
0.253
0.345
0.054
0.22
0.096
0.257
−0.026
0.142
−0.005
[% P]
iron
0.226
0.266
0.253
1
0.715
−0.045
−0.07 0.074
0.071
0.122
0.316
0.079
[% Mn]
iron
0.262
0.331
0.345
0.715
1
−0.051
0.137
0.058
0.063
0.029
0.395
0.114
steel scrap
−0.091
0.062
0.054
−0.045 −0.051
1
0.039
−0.102 −0.135
−0.538
−0.372
0.836
T
iron
0.057
0.306
0.22
−0.07
0.137
0.039
1
0.082
0.18
−0.045
0.225
0.104
T
steel
0.054
0.129
0.096
0.074
0.058
−0.102
0.082
1
−0.088
0.425
0.343
−0.042
[% C]
steel
−0.007
0.219
0.257
0.071
0.063
−0.135
0.18
−0.088 1
0.091
0.36
−0.132
[% P]
steel
0.053
0.017
−0.026
0.122
0.029
−0.538
−0.045 0.425
0.091
1
0.63
−0.45
[% Mn]
steel
0.168
0.202
0.142
0.316
0.395
−0.372
0.225
0.343
0.36
0.63
1
−0.225
Molten steel 0.35
0.108
−0.005
0.079
0.114
0.836
0.104
−0.042 −0.132
−0.45
−0.225
1
O
2
0.087
0.12
0.19
0.224
0.225
0.495
−0.266 0.036
−0.085
−0.357
−0.297
0.486