What is Corrugated Stainless Steel Tubing


Corrugated Stainless Steel Tubing (CSST) is a flexible, stainless steel pipe used to supply natural gas and propane in residential, commercial and industrial structures.

What is





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Carrington products

Corrugated stainless

steel tubing is a form of

pipe or conduit used to

distribute natural gas

throughout a building.

This flexible piping, often

referred to as CSST,

serves as an alternative

to traditional black steel

gas pipes. CSST

transports natural gas

and propane from

storage tanks to

furnaces, water heaters,

or even cooking

appliances. Corrugated

stainless steel tubing

may also be found in

laboratory and research

settings, as well as

industrial and

manufacturing facilities.

This material shares many

properties with PEX

piping, but consists of

stainless steel rather than


components. Instead of

running corrugated

stainless steel tubing like

traditional hard piping,

installers run it like

electrical wiring. This

means it can easily be

passed around obstacles

or obstructions within

walls or ceiling cavities.

Contractors typically rely

on special clips and tube

supports to fasten the

tubing to the building


One of the primary

advantages to using

corrugated stainless steel

tubing is the ease and speed

at which it can be installed.

Rather than cutting apart

walls and ceilings to add

piping, installers simply

snake the tubing through

available openings as

needed. It naturally curves

to fit around corners or over

beams, which minimizes the

number of fittings and

connections needed to join

the tubing together. This

allows projects to be

completed quickly, and also

helps to keep labor and

material costs low.

Since its introduction, some municipalities have banned the use of corrugated stainless steel

tubing or placed restrictions upon its use. This is due to the risk of fire associated with this tubing. If

the tubing is exposed to a lightning strike or other electrical surge, electrical energy can easily blow

a hole in the wall of the pipe. This allows gas to leak out and can lead to fires or explosions. To

reduce this risk, electricians and plumbers use special bonding or grounding techniques when

installing corrugated stainless steel tubing.

When choosing corrugated gas line materials, buyers must consider many factors to find the right

product for each application. The diameter of the tubing should allow gas to travel at the required

velocity, and should also take into account pressure and temperature conditions. Installers must

choose tubing with the right type of fittings or fasteners to enable easy and efficient connections

with gas supply lines and appliances. Some applications may also require the use of tubing with a

special chemical coating, which enhances the strength and durability of the tubing.

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