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# Copper, Ductile Iron, Carbon Steel, Stainless Steel and Aluminum Piping Materials - Temperature Expansion

Linear temperature expansion copper tubes, stainless steel pipes, carbon steel pipes, ductile iron pipes and aluminum tubes are indicated below.

Copper, Ductile Iron, Carbon Steel, Stainless Steel and Aluminum Piping Materials - Temperature Expansion
Temperature Change
(oF)

Linear Temperature Expansion (in/100 ft)
CopperStainless SteelCarbon SteelDuctile IronAluminum
0 0.0 0.0 0.0 0.0 0.0
10 0.1 0.1 0.1 0.1 0.2
20 0.2 0.2 0.2 0.2 0.3
40 0.5 0.5 0.4 0.4 0.6
50 0.6 0.6 0.5 0.5 0.8
60 0.7 0.7 0.6 0.5 1.0
70 0.8 0.8 0.7 0.6 1.1
80 0.9 0.9 0.7 0.7 1.3
90 1.1 1.0 0.8 0.8 1.4
100 1.2 1.1 0.9 0.9 1.6
120 1.4 1.4 1.1 1.1 1.9
140 1.6 1.6 1.3 1.3 2.2
160 1.9 1.8 1.5 1.4 2.5
180 2.1 2.0 1.7 1.6 2.9
200 2.4 2.3 1.9 1.8 3.2
220 2.6 2.5 2.1 2.0 3.5
240 2.8 2.7 2.2 2.2 3.8
260 3.1 2.9 2.4 2.3 4.1
280 3.3 3.2 2.6 2.5 4.4
300 3.5 3.4 2.8 2.7 4.8
320 3.8 3.6 3.0 2.9 5.1
340 4.0 3.8 3.2 3.1 5.4
360 4.2 4.1 3.4 3.2 5.7
380 4.5 4.3 3.6 3.4 6.0
400 4.7 4.5 3.7 3.6 6.3
• ΔT(oC) = 5/9 ΔT(oF)
• 1 ft (foot) = 0.3048 m
• 1 in (inch) = 25.4 mm
.

### Example - Temperature Expansion of Copper Tube

A copper tube with length 35 m (115 ft) is heated from 20oC (68oF) to 60oC (140oF) - a temperature difference of 40oC (72oF). The linear expansion from the table above is approximately 0.13 m/100m (1.6 in/100ft).

The expansion of the tube can be calculated

dl = (35 m) (0.13 m/100 m) / (100 m)

= 0.05 m

Alternatively in Imperial units:

dl = (115 ft) (1.6 in/100 ft) / (100 ft)

= 1.8 in

## Related Topics

### • Temperature Expansion

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