Tee pipe fitting is steel hot pressing forming or forging forming elbow, its connection form is directly the tee pipe fitting and steel pipe butt welding.Butt welded tee pipe fittings generally have equal diameter tee pipe fittings, reducing tee pipe fittings, etc., the materials are carbon steel, alloy steel and stainless steel. Carbon steel tee fittings are generally used for regulating valve devices, the use of exhaust.Concentric reducing tube is beneficial to fluid flow and has less interference to fluid flow state when changing diameter.

Carbon steel tee pipe fittings when about 1.2% chromium content in steel, chromium and oxygen effect of corrosive medium, in the steel surface to form a layer of thin oxide film (since the passivation film), seamless tee pipe fittings can prevent steel substrate further corrosion. In addition to the chromium, the commonly used alloying elements and nickel, molybdenum, titanium, niobium, copper, nitrogen, etc., to meet all kinds of useful on the microstructure and mechanical properties of concentric reducer. Straight sealing three-way pipe produce concentric reducer adopts must yield and processing technology, and ensure that can show good effect in production and processing, and performance.

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