The main purpose and types of brass tubes

Category: Condensing tube series, mainly used in rivers with suspended solids greater than 500PPM, seawater or coastal groundwater as the cooling medium, various heat exchangers and condenser condenser tube series, the main chemical composition of the alloy: Cu, As, balance It is Zn. This product is generally used in inland power plants with fresh, dry water without corrosion by suspended solids in rivers, lakes and springs. It can also be used in other liquid and juice processing equipment.

In addition, the product is also widely used in sugar and food industries. In these environments, arsenic can prevent the leaching of zinc, and after complete annealing, it can also prevent stress corrosion cracking, pitting and erosion. Condenser tube series, the main chemical composition of the alloy is: Ni, Fe, Mn, the balance Cu. The participation of Fe and Mn in the alloy greatly improves the corrosion resistance of this material. In clean seawater, the alloy can accept water flow rates up to 2.2-2.5%/s. The high speed it can withstand in the salt solution can reach 4m/s. The alloy can prevent stress corrosion cracking and high temperature point denickel.

Therefore, the alloy has good corrosion resistance to clean or certain polluted sea water and river bay water, and is widely used in heat exchangers that use sea water in power stations, desalination, petrochemical plants, etc. The characteristic of Hsn70-1B pipe is that it can form a smooth, uniform, firm and dense protective film on the inside and outside of the copper pipe under the water quality conditions of the power plant. Long-term use in fresh water, it is not easy to scale. The brass tube is beneficial to increase the heat conduction power of the copper tube and improve the service life. 2) The Hsn70-1AB new alloy condenser is based on the single type 2 alloy Cu-Zn-Sn system, and uses the synergistic effect of As, B, Ni, and Mn to achieve multiple small amounts of solid solution strengthening and improve corrosion resistance and resistance The ability to flush out the corrosion function. Condenser tube series, the main chemical composition of the alloy is: Ni, Fe, Mn, the balance Cu. The participation of Fe and Mn in the alloy greatly improves the corrosion resistance of this material, and can prevent stress corrosion cracking and high temperature points. Denickeling. Therefore, the alloy has good corrosion resistance to clean or necessarily polluted sea water and river bay water. It is mainly used for heat and heat in condensers for nuclear power generation, water supply heaters, distillers, oil coolers, distilled water equipment, etc. Switch. Brass tube andCopper stripDifferent, mainly used in electronic technology, construction, pen-making and other industries. Brass tube uses brass as the original material, and brass is a yellow copper-zinc alloy. In addition to copper, some also contain other materials. If you use brass with high impurity content to make brass tubes, it will definitely affect the quality of brass tubes. The quality of brass directly determines the quality of brass tubes. Especially during the Eleventh Five-Year Plan period, the slogan of environmental protection and energy saving was put forward, and environmentally friendly products have risen to a high level again, and brass tubes made of brass with more impurities are definitely not environmentally friendly, and environmentally friendly products that meet environmental protection regulations are enterprises. Great love.

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