'flue pipe' is correct and usable in written English.
You can use it to refer to a pipe that is used to convey exhaust gases from a furnace, stove, or fireplace. Example sentence: The technician inspected the flue pipe to make sure it was in good condition.
I found that the flue pipe had a layer of soot that partially blocked the flue.
As a result, he said, it is often necessary to install a six-inch-diameter flue pipe inside the existing chimney.
For heating I installed a wood-burner I'd converted from an old gas bottle, using a flue pipe I had salvaged from the skip.
Ronald Pringle, chief of the Niantic Fire Department, said carbon monoxide had built up in the home because of a plugged flue pipe attached to a propane heater in the basement.
Fire marshals said carbon monoxide had seeped into the family's apartment from a leak in the flue pipe in the gas-powered boiler on the ground floor of the building, at 4279 Oneida Avenue, in Woodlawn.
The experimental investigation was carried out by introducing various types of baffles in the flue pipe e.g. flat, conical, finned and barbed razor wire.
These organs consisted of one or more ranks of flue pipes controlled by a keyboard.
In flutes and organ flue pipes a stream of air passing a sharp edge sets up vibrations in the pipe's air column.
Peter Coling, technical director at Kinleigh Folkard & Hayward Chartered Surveyors, estimates that 30% of asbestos is found in ceiling coatings, 15% in boiler flue pipes and ducts, and 15% in floor tiles.
Instruments using the fipple-flute principle include one- or two-note whistles, recorders, flageolets, and the organ (in its flue pipes).
He managed to earn a meager living for himself and his family by peddling door to door, on a pushcart he built, the flue pipes and water jars he produced.
