Expansion Coefficient - TANK - Help - Hexagon PPM

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Defines the value of the thermal expansion coefficient. These values should be taken from API-650 Table P-1and are reproduced as follows:

Design Temp (deg F)

Modulus (psi)

Thermal Expansion (in/in/deg F)

70.

29.5E6

-

200.

28.8E6

6.67E-6

300.

28.3E6

6.87E-6

400.

27.7E6

7.07E-6

500.

27.3E6

7.25E-6

Design Temp (deg C)

Modulus (MPa)

Thermal Expansion (mm/mm/deg C)

20.

203000

-

90.

199000

12.0

150.

195000

12.4

200.

191000

12.7

260.

188000

13.1

The value of expansion coefficient is automatically defined by the software (using internal, English, units) when you change the design temperature on the general spreadsheet. You can change this value, if necessary.