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Thermal Expansion of PVC, CPVC, Carbon Steel, Stainless Steel and Fiberglass Pipes
Typical thermal expansion of PVC, CPVC, Carbon and Stainless Steel and Fiberglass pipes
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Thermal expansion of pipes in PVC, CPVC, Fiberglass and Carbon or Stainless Steel in inches per 100 feet can be found in the diagrams and table below:
| Thermal Expansion (inches/100 feet) | |||||
| Temperature Change (oF) |
Fiberglass | PVC1) | CPVC1) | Carbon Steel | Stainless Steel |
| 25 | 0.31 | 0.90 | 1.14 | 0.18 | 0.27 |
| 50 | 0.61 | 1.80 | 2.28 | 0.36 | 0.54 |
| 75 | 0.92 | 2.70 | 3.42 | 0.54 | 0.82 |
| 100 | 1.23 | 3.60 | 4.56 | 0.72 | 1.09 |
| 150 | 1.84 | 5.40 | 6.84 | 1.08 | 1.63 |
For temperature change: oF = 5/9 oC
1) Note the relative huge thermal expansion of thermoplastic plastic materials as PVC and CPVC compared to steel.
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