If the angle is 15°, what is the appropriate shrink constant?

To determine the appropriate shrink constant for a given angle like 15°, it’s essential to understand how shrink constants relate to various angles in the context of conduit and piping practices. The shrink constant often correlates with the angle of bend in a conduit and helps in calculating the proper fitting or material requirements for installation.

In this case, a shrink constant of 0.13 indicates that for an angle of 15°, the material will shrink or contract to this precise ratio when bent. This value has been standardized for such angles to ensure consistency in installation practices and reliability in the structural integrity of the conduit.

The choice of 0.20, 0.27, and 0.044 may correspond to different angles of bend or other specific conditions that do not apply to a 15° angle. Understanding the context in which these constants are used enables practitioners to select the correct value based on the requirements of their specific projects and to ensure that the materials they are working with will perform as intended under actual installation conditions. Thus, recognizing the correct shrink constant is crucial for achieving optimal results in conduit installations at various angles.