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Thermal Expansion of Pipe
 

Thermal Expansion of Pipe | Calculating Anchor Load | Pipe Guide Spacing

Typical Factors per 100 ft of Pipe

Applications

Temperature Range (F)

Thermal Expansion (per 100 ft)

Chilled Water

40-100

0.46”

Condenser Water

40-100

0.46”

Domestic Water (Copper)

40-140

1.14”

Hot Water

40-200

1.22”

 

Thermal Expansion Chart

 

 

Thermal Expansion (in/per 100 ft.)

Saturated Steam (psig)

Temperature

Carbon Steel

Copper

304 Stainless Steel

0

0

0

0

0

32

0.24

0.37

0.36

40

0.30

0.45

0.45

60

0.46

0.68

0.67

80

0.61

0.90

0.90

100

0.76

1.13

1.12

120

0.91

1.37

1.35

140

1.06

1.59

1.57

160

1.22

1.80

1.79

180

1.37

2.05

2.02

200

1.52

2.30

2.24

212

1.62

2.38

2.43

2.5

220

1.69

2.52

2.48

10.3

240

1.85

2.76

2.71

20.7

260

2.02

2.99

2.94

34.5

280

2.18

3.22

3.17

52.3

300

2.35

3.46

3.4

74.9

320

2.53

3.70

3.64

103.3

340

2.70

3.94

3.88

138.3

360

2.88

4.18

4.11

180.9

380

3.05

4.42

4.35

232.4

400

3.23

4.87

4.59

Example: 6” Carbon Steel Pipe, Temperature 40 – 300, Length of Pipe 177 ft

Total Expansion = (Max temp. expansion in./per 100 ft – Min temp. expansion in./per 100 ft) * Length of pipe/100

Total Expansion = (2.35 – 0.30) * 177/100 = 3.63”

 
 
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