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 Iron	Carbon and carbon Molybdenum	Wrought Iron	4-6% Cr. Alloy Steel	12% Cr. Stainless Steel	18 Cr. -8Ni Stainless Steel	Copper	Brass	Aluminum 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 212^oF, psi gauge above 212^oF

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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