Temperature T , in °C factor A factor B , in MPa 40 0.00001 0.958 40 0.000761 74.5 40 0.002 82.7 40 0.006 92.4 40 0.01 96.5 40 0.02 102 40 0.04 105 95 0.00001 0.958 95 0.000687 66.9 95 0.002 74.5 95 0.006 82 95 0.01 84.8 95 0.02 88.9 95 0.05 91 205 0.00001 0.903 205 0.000635 58.3 205 0.002 65.4 205 0.006 71.7 205 0.01 73.8 205 0.02 76.5 205 0.03 77.9 425 0.00001 0.8 425 0.000576 46.9 425 0.002 55 425 0.006 61.8 425 0.01 64.1 425 0.02 66.3 425 0.03 67.5 425 0.05 68.5 540 0.00001 0.8 540 0.000576 46.9 540 0.002 55 540 0.006 61.8 540 0.01 64.1 540 0.02 66.3 540 0.03 67.5 540 0.05 68.5