1. Increase the temperature of natural gasIn the process of transporting natural gas, increasing the transport temperature can effectively prevent the problem of an ice blockage in long-distance steel pipelines. Generally speaking, to increase the temperature of natural gas, the main method is to in

Anti-corrosion spiral steel pipe plays an important and different role in people's daily life. Anti-corrosion spiral steel pipe generally refers to the use of special technology to treat ordinary spiral steel pipe with anti-corrosion treatment, so that the spiral steel pipe has a certain anti-corros

Causes and solutions of leak galvanizing in hot-dip galvanizing of seamless steel pipes:1. The surface of the plated parts is not clean⑴The surface of the plated parts contains paint, grease, and solder; it can be polished or scrubbed with related solvents.⑵ iron oxide; under pickling; continue to p

At present, the welding methods of stainless steel welded pipes used in the industry mainly include argon arc welding, high-frequency welding, plasma welding, and laser welding. Several welding methods have their characteristics. At present, argon arc welding and high-frequency welding are the most