Do you use black or galvanized pipe for gas?
Christopher Davis
Published Apr 05, 2026
Do you use black or galvanized pipe for gas?
You do not want to use galvanized pipe for gas because of the galvanized coating. Over time pieces of the galvanized steel will flake off and clog your gas regulators and burner units. Never mix galvanized and black iron or where they touch corrosion will be accelerated.
Can you use galvanized pipe for gas line?
Today using galvanized pipe generally presents no threat. If pipe is in the ground it will tend to corrode faster (depends on the soil conditions). Many areas do not allow galvanized pipe underground for gas piping and factory coated steel pipe must be used.
What is the difference between black steel and galvanized pipe?
Black steel pipe is uncoated and made without steam, and therefore, it is widely used for transporting gas like propane and natural gas to residential and commercial building. Galvanized pipe has zinc on the surface so the mineral will flack off as time goes by and block the pipe.
Why is black pipe so expensive?
In general, black steel pipes are cheaper than galvanized pipes. It is due to the zinc coating on the galvanized pipes and the manufacturing process. Galvanized fittings also cost more than the fittings used on black steel due to its demand for maintenance.
What is the difference between black pipe and galvanized pipe?
What’s the difference between black pipe and galvanized pipe?
Can you use galvanized steel for gas piping?
Many areas do not allow galvanized pipe underground for gas piping and factory coated steel pipe must be used. In some areas plastic pipe is allowed underground (with electric wire above it to allow for locating of that plastic gas pipe as well as warning tape above that pipe as well).
What kind of pipe do you use for gas lines?
Steel, copper, brass: The most common gas piping is black steel. Galvanized steel, copper, brass or CSST (Corrugated Stainless Steel Tubing) also can be used in some areas, but some utilities specifically prohibit the use of copper. In other areas, the use of copper is widespread.
Which is better black pipe or galvanized pipe?
The black steel pipe is also used for fire sprinkler systems because it is more fire-resistant than galvanized pipe. Black pipe and galvanized pipe are made of steel Galvanized pipe has a zinc coating, black pipe does not
Why is galvanized pipe used in water lines?
Galvanized steel pipe is covered with a zinc material to make the steel pipe more resistant to corrosion. The primary use of galvanized pipe is to supply water to homes and buildings. The zinc also prevents the buildup of mineral deposits that can clog the water line. Where to use black pipe and galvanized pipe