miscellaneous-fabrication-faq
Neoprene coating is generally applied to pipe support components that require flexibility such as spring coils whereas the hot dipped galvanized coating would be applied to rigid pipe support components.
Spring Soil with Neoprene Coating
Pipe spool is a section of pipe that comes in pre-fabricated lengths from the pipe fabricator.
Usually it would show a disparity between stresses at a particular point. For example, a carbon steel element joined to a stainless steel element would show significantly different stresses over the same temperature change.
Fluoroplastic Material