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# Steam Pipes - Thermal Expansion

## Thermal expansion of steam pipes heated from room temperature to operation temperature (mm pr. 100 m pipe).

Expansion of steam pipes when pressurized and heated from room temperature.

Steam Pipes - Thermal Expansion
Operating
Temperature
(oC)
Expansion
(mm / 100 m Pipe)
66 63
93 96
121 136
149 166
177 203
204 246
232 279
260 323

Note! - to avoid unacceptable stress and damage of pipe lines - handle the expansion properly!

### Example - Expansion of Steam Pipe

A system is designed for pressure 10 bar with operating temperature approximately 180 oC. As indicated in the table above (177 oC) the expansion is is approximately 203 mm100m pipe.

The expansion of a 35 m long pipe can be calculated as

dl = ((203 mm100m) / (100 m)) (35 m)

= 71 mm

## Related Topics

• ### Sizing of Steam and Condensate Pipes

Dimensions of steam and condensate pipe lines. Calculate pressure losses, recommended velocities, capacities and more.
• ### Steam and Condensate

Design of steam & condensate systems with properties, capacities, sizing of pipe lines, system configuration and more.

## Related Documents

• ### Circular Ring - Temperature Expansion

Calculate ring (or pipe) diameter expansion or contraction when temperature changes.
• ### Fixed Pipes - Stress vs. Change in Temperature

Temperature changes introduces stress fixed pipes.
• ### Linear Thermal Expansion

Online linear temperature expansion calculator.
• ### Metals - Temperature Expansion Coefficients

Thermal expansion coefficients metals.
• ### Pipes and Tubes - Temperature Expansion

Pipes expands when heated and contracts when cooled and the expansion can be expressed with the expansion equation.
• ### Piping Materials - Temperature Expansion Coefficients

Temperature expansion coefficients for materials used in pipes and tubes like aluminum, carbon steel, cast iron, PVC, HDPE and more.
• ### Piping Materials - Temperature Heat Expansion and Cooling Contraction

Expansion and contraction when cast iron, carbon and carbon molybdenum steel, wrought iron, copper, brass and aluminum pipes are heated or cooled.
• ### Pressfit Pipes - Expansion Loops

Temperature expansion loops with pressfit piping.
• ### PVC, CPVC, Carbon Steel, Stainless Steel and Fiberglass Pipes - Thermal Expansion Diagrams

Thermal expansion of PVC, CPVC, Carbon and Stainless Steel and Fiberglass pipes.
• ### Restricted Thermal Expansion - Force and Stress

Stress and force when thermal expansion a pipe, beam or similar is restricted.
• ### Sizing Steam Pipes (kg/h)

Steam is a compressible gas where pipe line mass flow capacity depends on steam pressure.
• ### Sizing Steam Pipes (lb/h)

Steam is a compressible gas where the capacity of a pipe line depends on the size of the pipe and the steam pressure.
• ### Steel Pipes - Temperature Expansion

Calculate temperature expansion with carbon steel pipes.
• ### Steel Pipes - Thermal Expansion Loops

Calculating and sizing steel pipe thermal expansion loops.
• ### Thermal Expansion - Linear Expansion Coefficients

Linear temperature expansion coefficients for common materials like aluminum, copper, glass, iron and many more.
• ### Thermal Expansion of Steam Pipes - (inches)

Expansion of steam pipes heated from room temperature to operation temperature.

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## Citation

• The Engineering ToolBox (2003). Steam Pipes - Thermal Expansion. [online] Available at: https://www.engineeringtoolbox.com/temperature-expansion-steam-pipes-d_256.html [Accessed Day Month Year].

Modify the access date according your visit.

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