Temperature T , in °C factor A factor B , in MPa 40 0.00001 0.986 40 0.000779 80.7 40 0.001 83.4 40 0.002 91.7 40 0.004 97.2 40 0.01 102 40 0.04 106 40 0.1 106 205 0.00001 0.91 205 0.000737 70.3 205 0.001 72.4 205 0.004 81.4 205 0.02 86.2 205 0.03 90.3 205 0.1 90.3 315 0.00001 0.91 315 0.000697 66 315 0.001 68 315 0.003 75.2 315 0.01 81.4 315 0.03 86.2 315 0.1 86.2 425 0.00001 0.841 425 0.000687 61 425 0.001 63.8 425 0.002 67.6 425 0.004 71 425 0.01 75.2 425 0.025 78.6 425 0.1 78.6 540 0.00001 0.786 540 0.000672 55.2 540 0.001 58.7 540 0.002 64.3 540 0.004 68.7 540 0.01 72.4 540 0.03 76.5 540 0.1 76.5 595 0.00001 0.786 595 0.000526 43.1 595 0.001 50.5 595 0.002 57.4 595 0.004 62.3 595 0.01 68 595 0.025 73.1 595 0.1 73.1