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Wen zhou boxin steel industry Co., Ltd
Add:4102 Yong Qiang Avenue,Longwan District, Wenzhou. China
Tel:+86-577-86927958
Pho:+8618058896089
Fax:+86-577-86927988
E-mail:info@boxinsteel.com
What problems should be paid attention to when the stainless steel tube is stored?
1 First of all, the stainless steel tube in the preservation of the time must be avoided and corrosive chemicals put together, if the leakage of the stainless steel pipe will produce erosion and damage.
2 stainless steel tube in storage should also avoid prolonged immersion in the water, stainless steel rust is very slow, Stainless Steel Pipe and Tube but if time and water contact will affect the quality. The purpose of ventilation is to avoid the stainless steel tube long in the humid air, Stainless Steel Pipe and Tube the timely ventilation can be able to drain moisture. Of course, in the rain should try to do a good job of rain prevention.
The stainless steel tube itself has a relatively high strength, so it is usually stacked with stacking. However, in the case of the time to follow a certain principle, otherwise it may make the steel pipe formation damage, Stainless Steel Pipe and Tube or the use of inconvenient. The first principle of the stainless steel tube is stability and safety. The bottom of the stainless steel pipe stacking should be protected, preferably paved with wood made of the base, to avoid direct contact with the ground, in addition to the protection of the steel pipe, Stainless Steel Pipe and Tube to avoid the long-term side of the steel tube deformation, but also to prevent the water on the ground corrosion of steel pipe. Stainless steel tube Stacking height should not be too high, otherwise it is easy to increase the risk, but also easy to the lower layer of the steel tube to form greater pressure, resulting in deformation.
The stainless steel tube has the longest service life. From the analysis of the use of stainless steel in foreign countries, the service life of stainless steel pipes can reach 100 years, at least 70 years, as long as the building life.
One of the most prominent advantages of stainless steel tubes is its excellent corrosion resistance, which is best in all kinds of tubing. Because stainless steel can be deactivated with oxidants, Stainless Steel Pipe and Tube the surface forms a tough dense chromium-rich oxide protective film Dr2o3, effectively preventing the further occurrence of oxidative reaction. and other metal pipes, such as galvanized water pipes, Stainless Steel Pipe and Tube copper tube passivation ability is very small, this is galvanized pipe copper tube corrosion resistance is far less than the key reason for stainless steel pipe. Stainless steel will not be as homogeneous as carbon steel corrosion, use without protective coating, stainless steel pipe, the chemical composition of the water is not limited, because stainless steel in a variety of oxygen content, temperature, ph and hardness of water has a good corrosion resistance; stainless steel pipes can withstand a high flow rate, even if the flow rate is greater than 40 m/s, still maintain very low corrosion rate, Stainless Steel Pipe and Tube no more than 0.003 mm/year, particularly suitable for high-rise water supply. Stainless steel generally does not occur local corrosion, 304 stainless steel can withstand the chloride content of 200ppm, 316 stainless steel can withstand the chloride content of up to 1000ppm, this conclusion based on exposure to experimental data and has been used to confirm the experience. The thermal expansion coefficient of stainless steel tube is similar to that of copper tube, Stainless Steel Pipe and Tube which is 1.5 times times that of ordinary steel pipe, which has the characteristics of slow shrinkage and contraction compared with stainless steel tube.
The thermal conductivity of the stainless steel tube is 1/25 of the copper tube, which is 1/4 of the ordinary steel pipe, especially suitable for hot water transportation. The most commonly used stainless steel in the water industry is 316 and 304 stainless steel, which can satisfy most water treatment and transport conditions.
The tensile strength of stainless steel tube is twice times that of steel pipe, the $number times of plastic pipe. The strength of the material determines whether the water pipe is strong and resistant, safe and reliable. Safety and reliability are the most important requirements in building water supply. Stainless Steel Pipe and Tube In the case of external impact, the possibility of a stainless steel water pipe leaking is very small. The working pressure of high building water supply system is generally greater than 0.6Mpa; Thin-walled stainless steel tube due to excellent mechanical properties, can withstand a high water pressure, up to 10Mpa, especially for high-rise water supply.
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