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Steam - Viscosity vs. Pressure

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The absolute (or dynamic) viscosity of steam at pressure ranging 1 - 10000 psia can be found in the table below:

For full table with higher pressures - rotate the screen!

Steam - Viscosity vs. Pressure
Temperature
(oF)

Dynamic Viscosity - μ - (centiPoise)
Absolute pressure - p - (psia)
125102050100200500100020005000750010000
Saturated Water 0.667 0.524 0.388 0.313 0.255 0.197 0.164 0.138 0.111 0.094 0.078 - - -
Saturated Steam 0.010 0.010 0.011 0.012 0.012 0.013 0.014 0.015 0.017 0.019 0.023 - - -
1500 0.041 0.041 0.041 0.041 0.041 0.041 0.041 0.041 0.042 0.042 0.042 0.044 0.046 0.048
1450 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.040 0.041 0.041 0.043 0.045 0.047
1400 0.039 0.039 0.039 0.039 0.039 0.039 0.039 0.039 0.039 0.040 0.040 0.042 0.044 0.047
1350 0.038 0.038 0.038 0.038 0.038 0.038 0.038 0.038 0.038 0.038 0.039 0.041 0.044 0.047
1300 0.037 0.037 0.037 0.037 0.037 0.037 0.037 0.037 0.037 0.037 0.038 0.040 0.043 0.046
1250 0.035 0.035 0.035 0.035 0.035 0.035 0.035 0.036 0.036 0.036 0.037 0.039 0.042 0.045
1200 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.035 0.035 0.036 0.038 0.041 0.045
1150 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.034 0.037 0.041 0.045
1100 0.032 0.032 0.032 0.032 0.032 0.032 0.032 0.032 0.033 0.033 0.034 0.037 0.040 0.045
1050 0.031 0.031 0.031 0.031 0.031 0.031 0.031 0.031 0.032 0.032 0.033 0.036 0.040 0.047
1000 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.031 0.032 0.035 0.041 0.049
950 0.029 0.029 0.029 0.029 0.029 0.029 0.029 0.029 0.029 0.030 0.031 0.035 0.042 0.052
900 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.028 0.029 0.035 0.045 0.057
850 0.026 0.026 0.026 0.026 0.026 0.026 0.027 0.027 0.027 0.027 0.028 0.035 0.052 0.064
800 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.025 0.026 0.026 0.027 0.040 0.062 0.071
750 0.024 0.024 0.024 0.024 0.024 0.024 0.024 0.024 0.025 0.025 0.026 0.057 0.071 0.078
700 0.023 0.023 0.023 0.023 0.023 0.023 0.023 0.023 0.023 0.024 0.026 0.071 0.079 0.085
650 0.022 0.022 0.022 0.022 0.022 0.022 0.022 0.022 0.023 0.023 0.023 0.082 0.088 0.092
600 0.021 0.021 0.021 0.021 0.021 0.021 0.021 0.021 0.021 0.021 0.087 0.091 0.096 0.101
550 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.020 0.019 0.095 0.101 0.105 0.109
500 0.019 0.019 0.019 0.019 0.019 0.019 0.019 0.018 0.018 0.103 0.105 0.111 0.114 0.119
450 0.018 0.018 0.018 0.018 0.017 0.017 0.017 0.017 0.115 0.116 0.118 0.123 0.127 0.131
400 0.016 0.016 0.016 0.016 0.016 0.016 0.016 0.016 0.131 0.132 0.134 0.138 0.143 0.147
350 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.152 0.153 0.154 0.155 0.160 0.164 0.168
300 0.014 0.014 0.014 0.014 0.014 0.014 0.182 0.183 0.183 0.184 0.185 0.190 0.194 0.198
250 0.013 0.013 0.013 0.013 0.013 0.228 0.228 0.228 0.228 0.229 0.231 0.235 0.238 0.242
200 0.012 0.012 0.012 0.012 0.300 0.300 0.300 0.300 0.301 0.301 0.303 0.306 0.310 0.313
150 0.011 0.011 0.427 0.427 0.427 0.427 0.427 0.427 0.427 0.428 0.429 0.431 0.434 0.437
100 0.680 0.680 0.680 0.680 0.680 0.680 0.680 0.680 0.680 0.680 0.680 0.681 0.682 0.683
50 1.299 1.299 1.299 1.299 1.299 1.299 1.299 1.299 1.299 1.299 1.296 1.289 1.284 1.279
32 1.753 1.753 1.753 1.753 1.753 1.753 1.753 1.752 1.751 1.753 1.745 1.733 1.723 1.713
  • 1 cP (Centipoise) = 10-3 Pa s = 0.01 Poise = 1.020x10-4 kp s/m2 = 6.721x10-4 lb/(ft s) = 0.00100 (N s)/m2 = 0.01 gram/(cm sec) = 2.4191 lb/(ft hr)
  • The critical point for water is 705.40oF and 3206.2 psia (374oC - 218 atm)- For pressure beyond this point the fluid is supercritical1).
  • Blue - viscosity of water

1) Supercritical fluids are phases of substances at high pressures above their critical temperatures. Supercritical water is superheated steam under high pressure of more than 3206.2 psia (200 atm). Under these conditions supercritical water decomposes to many substances.

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Related Topics

• Thermodynamics

Thermodynamics of steam and condensate systems.

• Viscosities

Viscosities of products and chemical species at varying conditions.

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