

(Summary description)In order to transport liquid or gas, all kinds of pipes should be used. In addition to the steel pipes for straight pipes, various pipe fittings should be used: elbows should be used for pipe bends, big and small heads should be used for pipe diameter changing, tee joints should be used for branching, flanges should be used when connecting pipe joints and joints, and various valves should be used to open up the conveying medium
(Summary description)In order to transport liquid or gas, all kinds of pipes should be used. In addition to the steel pipes for straight pipes, various pipe fittings should be used: elbows should be used for pipe bends, big and small heads should be used for pipe diameter changing, tee joints should be used for branching, flanges should be used when connecting pipe joints and joints, and various valves should be used to open up the conveying medium
1、 Overview of pipe system of steel pipe fittings
In order to transport liquid or gas, all kinds of pipes should be used. In addition to the steel pipes for straight pipes, various pipe fittings should be used: elbows should be used for pipe bends, big and small heads should be used for pipe diameter changing, tee joints should be used for branching, flanges should be used when connecting pipe joints and joints, and various valves should be used to open up the conveying medium, In order to reduce the influence of heat expansion and cold contraction or frequent vibration on the piping system, expansion joints are also used. In addition, there are various joints and plugs connected with various instruments and meters on the pipeline. We are used to refer to other accessories in the pipeline system except straight pipes as pipe fittings
2、 General knowledge of metal materials for steel pipe fittings:
Metal materials are widely used in our daily life and industry. They are mainly divided into steel, iron and non-ferrous metals. Among them, steel is the most widely used material. The main component of steel is iron, The other parts are alloy elements and impurities added artificially. It is because of the different varieties and quantities of these added alloy elements, a variety of steels are formed, such as ordinary carbon steel, stainless steel, alloy steel and so on. Among these added elements, carbon and carbon play a very important role.
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