Aluminium Tube

Metal pipes used to carry water are available in different types of metals. An aluminium tube can be found in various thicknesses and lengths. 

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Cast Iron

Pipes made of cast iron are generally used in large water distribution systems, drainage, underground main pipe installation and sewer systems. These pipes are heavier and can withstand lots of pressure and stress. Cast iron pipes can be installed only by professional plumbers. Being a heavy item, this type of metal pipe requires proper support when joining with other pipes, fittings and water release systems.

Galvanised Steel

It is the first metal that comes to mind when people think of residential plumbing pipes. These pipes were used extensively in old homes but now pipes made of other metals and plastics are preferred. Rust buildup inside the galvanised pipe is a big problem. After a few years of use, the water that is carried through this type of pipe carries traces of rust and scale. The supplied water requires heavy filtration. Galvanised pipes used in very old homes can release lead in the water. A pipe made of this material is quite strong and can last up to 40 years. These pipes are now used mostly to transport non-potable and gray water. The advantage of this pipe is that it can be placed underground at places where there is heavy traffic.

Stainless Steel

It is a strong material and highly corrosion resistant. It is not often used in residential plumbing due to its high cost. The same effects and efficiency can be achieved at less cost with copper pipes. Stainless steel pipes are useful in saltwater environment and coastal areas where other types of metal pipes will corrode easily. It has a neat and clean look and does not require any chrome plating. It is available in both rigid and flexible designs. Special couplings are used to attach this type of pipe to pipes made of other materials. It can be found in various lengths and sizes. The stainless steel pipes should not be confused with the galvanised steel pipes.

Copper Pipes

It is used a lot in the residential piping systems. It has proved its reliability but it is an expensive material. It offers high resistance to corrosion. Copper pipes are not prone to leakage because the connections are sealed tightly with the soldering material. The fittings stay tight for long and offer better leakage resistance. Pipes made of copper are used to supply both hot and cold waters in the indoor water supply lines. It is easy to manage, assemble and install copper pipes with the other parts of plumbing systems. It should be soldered by an experienced plumber. Poor quality seal can result in leakage and other problems. It is an expensive material for use in plumbing pipes so it is used mostly for internal piping. Chrome copper pipes are used when better aesthetics is needed in the exposed parts of the piping.

Brass Pipes

These pipes provide high level of resistance to rust. It contains 65-85 percent copper. Brass with higher copper content offers better resistance to corrosion. It is a long lasting material that does not suffer from rusting on its internal surface. There is no friction loss inside the pipe. It is easy to join and assemble due to its smooth thread. It is generally used as joint fittings but small to large pipes made of brass are available for special applications. Chrome brass pipes are used at places where appearance holds lots of importance.