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Optimum wall thickness of thin wall stainless steel water pipe

Author:     Date: March 13, 2019    Source:    Focus on:

The wall thickness of thin-walled stainless steel water pipe is the key to the strength of pipe connection. If the wall thickness is reduced below the safety factor, the reliability will be reduced by several grades. In fact, the wall thickness of the pipeline is a surface requirement. The substantive requirement is not only to ensure the strength of the pipeline connection, but also to have the anti vibration performance in various environments, the pipeline resistance to various external forces, and the service life and corrosion allowance of products in concealed works. The wall thickness of stainless steel pipe specified in GB / t19228.2-2003 standard is determined by a large number of calculations and tests, based on years of experience in Europe, Japan and other countries and regions and referring to foreign advanced standards. It should be considered that the wall thickness specified in the standard is feasible.

From the perspective of safety and economy, we suggest that The wall thickness of series I specified in GB / t19228.2-2003 shall be selected for the stainless steel pipe of DN 15-dn50, and the wall thickness of Series II specified in GB / t19228.2-2003 shall be selected for stainless steel pipe of dn65-dn 100. We think this is the best choice of wall thickness for thin wall stainless steel water pipe.

It is irresponsible for customers to adopt stainless steel pipe which is lower than the wall thickness requirements specified in CJ / t151-2001 industry standard, which can not meet the performance and service life requirements of the pipeline system.

Using more than The stainless steel pipe with wall thickness requirements specified in GB / t19228.2-2003 national standard will undoubtedly increase the use cost of customers, which is not responsible for customers, but also a great waste of social resources.

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