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How much is the compressive strength of thin-walled stainless steel pipe?
2021-05-27
Pipes used in construction are mostly concealed works. If the quality of pipe fittings is not good, it will cause a lot of economic losses. For comprehensive cost considerations, thin-walled stainless steel water pipes can be vigorously promoted. So for high-rise buildings, how does the thin-walled water pipe itself guarantee the compressive strength?
The tensile strength of stainless steel pipe is 2 times that of steel pipe, 3~4 times that of copper pipe, 8~10 times that of plastic pipe. The strength of the material determines whether the water pipe is firm and crash-resistant, safe and reliable. The leakage rate of copper pipe and plastic pipe is relatively high, and the pipe is easy to be damaged by construction or secondary decoration. The main reason for complaints about plastic water pipes in several major cities in China is water leakage. One of the main causes of water leakage is that plastic water pipes cannot withstand external impact.
The working pressure of high-rise water supply system is generally greater than 0.6Mpa, which requires high pressure of pipes. The working pressure of the plastic pipe used in the water supply system is less than this value, So it can't take the pressure. The expansion coefficient of the composite pipe is very different between the two materials. If the adhesion is not strong or the temperature changes greatly, it is easy to produce layer separation. The maximum pressure of thin-walled copper pipe is 5.9MPa. And the thin-walled stainless steel pipe due to excellent mechanical properties, can withstand the pressure of more than 10MPa, especially suitable for high-rise water supply.
In addition, the thermal conductivity of the stainless steel pipe is 1/25 of the copper pipe, 1/4 of the ordinary steel pipe, especially suitable for hot water transportation, much better than the insulation performance of the copper pipe. So the application area is much wider.
