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Pipes - Heating Expansion and Cooling Contraction

Expansion or contraction when heating or cooling cast iron, carbon and carbon molybdenum steel, wrought iron, copper, brass and aluminum pipes

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Temperature expansion pipes or tubes:

Temperature Expansion of Pipes (in/100 ft)
Saturated Steam Pressure1)
(psi)
Temperature
(oF)
Cast IronCarbon and carbon MolybdenumWrought Iron4-6% Cr. Alloy Steel12% Cr. Stainless Steel18 Cr. -8Ni Stainless SteelCopperBrassAluminum 2-S
-200 -1.058 -1.282 -1.289 -1.250 -1.170 -2.030 -1.955 -2.065 -2.69
-180 -0.982 -1.176 -1.183 -1.150 -1.070 -1.850 -1.782 -1.890 -2.44
-160 -0.891 -1.066 -1.073 -1.030 -0.970 -1.670 -1.612 -1.705 -2.18
-140 -0.797 -0.948 -0.955 -0.970 -0.870 -1.480 -1.428 -1.508 -1.93
-120 -0.697 -0.826 -0.833 -0.800 -0.750 -1.300 -1.235 -1.308 -1.67
-100 -0.593 -0.698 -0.705 -0.700 -0.630 -0.090 -1.040 -1.098 -1.40
-80 -0.481 -0.563 -0.570 -0.550 -0.520 -0.880 -0.835 -0.888 -1.12
-60 -0.368 -0.428 -0.435 -0.430 -0.400 -0.670 -0.630 -0.673 -0.85
-40 -0.248 -0.288 -0.295 -0.290 -0.270 -0.450 -0.421 -0.452 -0.58
-20 -0.127 -0.145 -0.152 -0.145 -0.130 -0.225 -0.210 -0.227 -0.28
0 0 0 0 0 0 0 0 0 0
20 0.128 0.148 0.180 0.140 0.140 0.223 0.238 0.233 0.32
32 0.209 0.230 0.280 0.234 0.234 0.356 0.366 0.373 0.50
29.39 40 0.270 0.300 0.350 0.280 0.280 0.446 0.451 0.466 0.63
60 0.410 0.448 0.540 0.430 0.430 0.669 0.684 0.690 0.93
28.89 80 0.550 0.580 0.710 0.500 0.550 0.892 0.896 0.920 1.24
27.99 100 0.680 0.753 0.887 0.650 0.690 1.115 1.134 1.150 1.53
26.48 120 0.830 0.910 1.058 0.800 0.820 1.338 1.366 1.390 1.84
24.04 140 0.970 1.064 1.240 0.950 0.960 1.545 1.590 1.625 2.15
20.27 160 1.110 1.200 1.420 1.100 1.090 1.784 1.804 1.865 2.46
14.63 180 1.240 1.360 1.580 1.250 1.230 2.000 2.051 2.100 2.77
6.45 200 1.390 1.520 1.750 1.400 1.380 2.230 2.296 2.340 3.08
0 212 1.480 1.610 1.870 1.500 1.460 2.361 2.428 2.467 3.28
2.5 220 1.530 1.680 1.940 1.550 1.510 2.460 2.516 2.580 3.41
10.3 240 1.670 1.840 2.120 1.720 1.650 2.680 2.756 2.830 3.73
20.7 260 1.820 2.020 2.300 1.880 1.790 2.920 2.985 3.070 4.07
34.5 280 1.970 2.180 2.470 2.050 1.930 3.150 3.218 3.315 4.40
52.3 300 2.130 2.350 2.670 2.200 2.080 3.390 3.461 3.565 4.74
74.9 320 2.268 2530 2.850 2.370 2.220 3.615 3.696 3.820 5.10
103.3 340 2.430 2.700 3.040 2.530 2.360 3.840 3.941 4.065 5.43
138.3 360 2.590 2.880 3.230 2.700 2.510 4.100 4.176 4.350 5.78
180.9 380 2.750 3.060 3.425 2.860 2.670 4.346 4.424 4.610 6.13
232.4 400 2.910 3.230 3.620 3.010 2.820 4.580 4.666 4.870 6.47
293.7 420 3.090 3.421 3.820 3.180 2.980 4.800 4.914 5.150 6.84
366.1 440 3.250 3.595 4.020 3.350 3.130 5.050 5.154 5.400 7.19
451.3 460 3.410 3.784 4.200 3.530 3.290 5.300 5.408 5.680 7.55
550.3 480 3.570 3.955 4.400 3.700 3.450 5.540 5.651 5.950 7.90
664.3 500 3.730 4.151 4.600 3.860 3.600 5.800 5.906 6.220 8.25
795.3 520 3.900 4.342 4.810 4.040 3.760 6.050 6.148 6.500 8.61
945.3 540 4.080 4.525 5.020 4.200 3.930 6.280 6.410 6.780 8.98

1) Vacuum in degree below 212oF, psi gauge above 212oF

  • T(oC) = 5/9[T(oF) - 32]
  • 1 in (inch) = 25.4 mm
  • 1 ft (foot) = 0.3048 m
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  • en: thermal expansion heating cooling temperature
  • es: expansión térmica temperatura de enfriamiento de calefacción
  • de: Wärmeausdehnungsheizung Kühltemperatur
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