Langfang DingYang

Characteristics of Seamless Carbon Steel Tee

fittingflange | 09 October, 2018 14:03

The carbon steel butt welded tee is usually used for the installation of the regulating valve. Concentric reducer is favorable for fluid flow, and has less interference with fluid flow when changing diameter. Seamless tee so that gas and vertical flow of liquid pipes use concentric reducer. The eccentric pipe with different diameter is flat on one side, which is conducive to exhaust or discharge, and is convenient for start-up and maintenance. Therefore, the eccentric pipe with different diameter is usually used for horizontal installation of liquid pipes. The different diameter pipe is also called the big and small head, the two ends of the pipe mouth diameter is different, used to connect different diameters of the pipe or flange for diameter change. The two ends of a concentric pipe with different diameters, the center of the circle is on the same axis. When the diameter is changed, the position of the pipe will remain unchanged if the axis is used to calculate the position of the pipe. The two ends of the eccentric reducer are cut inside the circumference of the pipe, and are generally used for horizontal liquid pipes. Butt welding tee is a steel hot-press forming or forging forming elbow, its connection form is directly butt welding tee and steel pipe . The main manufacturing standards of stainless steel butt welding tee are generally GB / T12459, GB / T13401, ASME B16.9, SH3408, SH3409, HG / T21635, HG / T21631, SY / T0510. The butt welding tee usually have equal diameter tee, different diameters three links, etc. the materials are carbon steel, alloy steel and stainless steel. When the content of chromium in the steel is about 1.2%, a very thin oxide film (self-passivation film) is formed on the surface of the steel by the interaction between chromium and oxygen in the corrosive medium. Seamless tee can prevent the further corrosion of the steel matrix. Besides chromium, the commonly used alloying elements are nickel, molybdenum, titanium, niobium, copper and nitrogen to meet the needs of concentric use for various purposes. Requirements for the structure and properties of different diameter pipes. A certain production and processing technology is adopted in the production of straight-sealed three-way concentric different diameter pipes to ensure that good effects and properties can be displayed in the production and processing. Weak corrosive medium such as air, steam, water, acid, alkali, salt and other chemical corrosive medium corrosion resistant steel of concentric pipe with different diameters.


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