Seamless Zirconium Tubes

Seamless zirconium tubes are used in chemical, aerospace, military, nuclear reactions, atomic energy, and process characteristics of zirconium.1. Zirconium has a strong affinity with gases; it starts to react with oxygen, hydrogen, and nitrogen at about 200, 300, and 400°C respectively, and reacts rapidly with higher temperatures, thus melting and casting, heat treatment should be carried out in a vacuum furnace. When hot processing is in the atmosphere, proper protection measures should be taken and the operating time at high temperatures should be shortened.2. Zirconium has a high coefficient of friction between  the mold and easily adheres to the mold surface; the thermal effect of plastic deformation are significant and good lubrication conditions are required for processing.3. Processing specifications has a more sensitive effect on the performance of the product. Particular attention should be paid to the control of the finished product before the cold processing and heat treatment process to meet the requirements of use.4. The dimensional accuracy and surface quality of the tube and bar are very high. Therefore, the process equipment should have good precision, and the design and production of tool should be advanced and reasonable.

The seamless zirconium tubes produced by Yusheng Metal are made of high purity zirconium ingots. During the melting and casting, the tube billets is made by the clad extrusion method, and it is common to use purple copper as the clad to play the role of improving lubrication and avoiding the oxidation of zirconium at high temperatures. The finished tubes are produced by cold working methods such as cold rolling, rotary forging, spinning, and drawing. Zirconium and its alloys have good plasticity during cold working, medium deformation resistance, and cold working properties similar to low carbon steel, but it is difficult to lubricate and easy to stick to the mold, and the surface phosphate or oxidation treatment should be carried out on the drawn blanks.

Before leaving the factory, seamless zirconium pipes for nuclear use are assessed for chemical composition, corrosion performance, mechanical properties, surface quality, hydride orientation, metallographic organization, dimensional deviation, nondestructive testing, and other indicators to ensure that the chemical composition and corrosion performance indicators of the tubes and bars are the same, and the mechanical properties indicators are similar. As a seamless zirconium tube supplier, Yusheng Metal can provide you with various specifications of zirconium tubes, welcome to consult with more information!

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