Mechanical Engineering has vast scope in countless industries. Piping Engineering is nothing but learning skills and tech behind, transporting fluids from one point to another!
Yes there is demand for profiles which has good grasp in piping engineering. Further we have trades / departments within Piping engineering which include:
Design, implementation, and maintenance of piping construction
Industries mainly Oil & Gas, Energy, Construction, Manufacturing, Chemical etc has requirements for Piping designers. We have opportunities not only for Mechanical Engineering students but also for Chemical, Electrical and other depts.
When it comes to salary, please find snapshot of salary (India, Apr 2018):
salary (UAE, April 2018):