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Reason to Use Stainless Steel Pipes in Supplying Water

Autor: gottfried arnold - Datum: May 14, 2012 09:44:59 AM

Kategorie: Heim Garten Haus

Stainless-steel is iron-based alloy that usually contain at least 11.5% chromium. Nickel is the other element which is also most important. It is added in combination with chromium in order to obtain special properties. Stainless steel is highly resistant to corrosive attack and to oxidation at high temperatures. If we talk about stainless steel pipe (In German : edelstahlrohr ) and tubing, they are used for a variety of reasons like to resist high temperatures, to resist corrosion and oxidation, for cleanliness and much more. In addition, low maintenance costs and to sustain the purity of materials are other important reasons to choose stainless-steel pipes. The inherent feature of stainless steel permits the design of thin wall piping systems without having dread of early failure due to corrosion.

In all over the world, there are billions of miles of pipelines that are used for drinking water transmission. These stainless steel pipelines must supply corrosion resistance to the water itself, soil chemistries, and treatment chemicals to grant a long service life as well as hygienic delivery of drinking quality water. Let’s see some benefits of using stainless steel pipe (In German : edelstahlrohr ) in drinking water supply:

Stainless steels are much more resistant to oxidation by water and biocides than any other steel like carbon steel, cast iron or ductile iron. Due to this, we can see longer life time for pipelines.

In stainless steel pipes, no internal and external coating is required. Moreover, it does not require cathodic protection. This minimizes total system cost and makes stainless steels well-suited with environment.

Stainless steels are basically inert in waters due to offering very high passive film stability. Leaching of alloying elements, like Cr and Ni, is present within safe limits. Due to this, they supply a better quality of drinking water.

Stainless steels have lower friction compared to cement lined and carbon steel pipes. As a results, less loss of water pressure along the pipeline. This offers a chance to reduce the internal diameter of the pipe and save investment cost. This is also a reason for a lower linkage of deposits as well as lower bacteria colonization.

Stainless steels are particularly the duplex materials with higher mechanical properties compared to cast iron pipes and carbon steel. This facilitates a cutback in the wall thickness of the pipe and results in investment cost savings. The improved ductility may also important in terms of security, for example, in the case of an earthquake.


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