1. Pipeline System Overview:
In order to transport liquids or gases, you must use a variety of pipes, pipe steel pipes, in addition to straight away, but also use all kinds of pipe fittings: pipe bend to be used when the bend, when to use the size of the first variable diameter pipeline, when the bifurcation use the three links connecting pipe joints and fittings flange when the use, transmission medium to achieve the purpose of opening, but also with various valves, in order to reduce thermal expansion shrink or frequent impact of vibration on the pipeline system, but also with expansion joint. In addition, pipeline, there are a variety of instruments connected with the various joints such ﹑ plug. We used the pipeline system, in addition to other accessories other than the straight collectively referred to as Stainless Steel Pipe.

2. Metallic materials common sense:
Metal pipe fittings is our daily life and industry the most widely used material. It consists of steel, iron and several types of non-ferrous metals, of which the steel is the most common material most widely used, the main ingredient is iron and steel, and the rest are man-made and various alloying elements added impurities. It is because of these added variety of different alloying elements. The number of different kinds of steel was formed, such as ordinary carbon steel, stainless steel, alloy steel, etc., in these added elements, carbon plays an important role in C .