Temperature T , in °C factor A factor B , in MPa 150 0.0000176 1.72 150 0.000783 77.9 150 0.0008 78.6 150 0.0009 81.4 150 0.001 84.8 150 0.002 103 150 0.003 112 150 0.004 116 150 0.005 119 150 0.025 121 150 0.1 121 260 0.0000194 1.72 260 0.000675 62.1 260 0.0009 66.5 260 0.001 68.9 260 0.0025 82.7 260 0.003 85.5 260 0.008 97.9 260 0.01 101 260 0.015 107 260 0.02 111 260 0.028 117 260 0.1 117 370 0.0000213 1.72 370 0.000564 46.9 370 0.001 55.2 370 0.003 69.6 370 0.01 83.4 370 0.0264 95.1 370 0.1 95.1 425 0.0000223 1.72 425 0.000505 39.4 425 0.001 49 425 0.0015 54.8 425 0.002 57.9 425 0.003 61.4 425 0.0319 85.5 425 0.1 85.5 480 0.0000237 1.72 480 0.000428 31 480 0.001 41.4 480 0.0015 46.9 480 0.002 50.7 480 0.003 54.5 480 0.008 63.4 480 0.03 76.5 480 0.1 76.5