With the advancement of technology, various types of new materials have been put into use in many fields, and seamless steel tubes are widely used in industrial production. What is the standard of seamless steel tubes ? Today we will introduce the following content, let's take a look at the standard of seamless steel tubes !
Seamless steel tube standard
Performance characteristics of seamless steel tubes
1. The seamless steel tube is actually a hollow steel tube with a certain cross-section and no joints around it. The shape is square, round and other common shapes. As the name implies, seamless steel tubes are made of steel materials through a piercing process to make capillaries, and then through cold or hot rolling or cold dialing processes. Because the inside of the steel pipe is hollow, it can transport some liquid liquids. In addition, compared with the traditional solid steel, the compressive strength is greater and the volume is lighter. It is a more ideal type of economic steel pipe. It is widely used in manufacturing and processing industries, such as oil drill pipes, car frames, and scaffolds used in construction.
2. Seamless steel tubes can also be made into ring-shaped parts, which maximizes the use of materials, and simplifies the production process, effectively shortening the production cycle. At the same time, steel pipes also play a significant role in the manufacture of some weapons. For example, gun barrels need to be manufactured using steel pipes. Seamless steel tubes can be divided into circular and heterosexual products according to different hollow cross-sections. In the case of the same circumference of the two products, the circular steel tube will transport more fluid and liquid, and the internal force of the pipeline is uniform. However, the round steel pipe is not as good as the special-shaped steel pipe in bending, so it is used in different fields according to the performance characteristics of different steel pipes.
Seamless steel pipe production process
1. There are two types of seamless steel pipes: cold rolling and hot rolling. The production of steel pipes processed by cold rolling will be more complicated than hot rolled steel pipes. The steel pipe needs to be continuously rolled in three rolls, and then pressed to reduce the diameter. After the treatment, the surface of the steel pipe needs to be checked for cracks. The complete steel pipe also needs to be cut, and the long pipe billet should be cut. If the steel pipe will foam, it means that the steel pipe is not qualified and needs to be re-produced.
2. The sales of hot-rolled seamless steel tubes are generally after hot rolling and then heat treatment. The quality inspection of such steel tubes often requires manual inspection by the staff, because the hot-rolled steel tubes need to be oiled during the quality inspection. Let's conduct several cold drawing tests and perforation experiments. If the distance between holes is too large, rework is required for correction, and the label is formally affixed after confirmation.
Regarding the standard of seamless steel pipes , the editor will temporarily introduce it here, I hope to help you. If you want to know more about steel pipe knowledge, you can pay attention to the information on this website, more exciting content is waiting for you.
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Seamless steel tube standard
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