630TPEP corrosion-resistant spiral welded steel pipe is a steel pipe widely used in water supply pipeline transmission engineering. It is made of three layers of polyethylene PE anti-corrosion on the outside and coated with white... [阅读全文]

Directly buried prefabricated insulation pipe is a type of cold insulation and energy-saving pipeline, commonly used in insulation engineering in urban centralized heating, petroleum, chemical, refrigeration and other fields. So, how... [阅读全文]

What are the standards for the thickness of the anti-corrosion layer of the 3-layer PE anti-corrosion spiral welded steel pipe? The diameter of the 3-layer PE anti-corrosion spiral welded steel pipe is generally DN20 to DN2600,... [阅读全文]

What is the essential difference between TPEP anti-corrosion steel pipe and 3-layer PE anti-corrosion steel pipe in anti-corrosion spiral welded steel pipe? TPEP anti-corrosion steel pipe, also known as outer 3-layer PE inner epox... [阅读全文]

Why are there multiple colors for coated composite steel pipes used underground in coal mines, also known as coated plastic steel pipes used in mining? Mining coated steel pipes are generally connected by flanges, with lengths ... [阅读全文]

What is the demand for spiral steel pipes this year? Here, let's take a look at the latest market trends for 630 spiral steel pipes and 2020 spiral welded steel pipes this year. Firstly, let's focus on spiral steel pipes. I... [阅读全文]

Welcome to this issue of the introduction to the production process of polyurethane prefabricated buried insulation steel pipes. In the process of producing polyurethane prefabricated buried insulation steel pipes, we need to pay ... [阅读全文]

Steel lined steel insulated steam pipeline, also known as steel lined steel steam insulated pipeline, is a type of pipeline suitable for industrial fields such as power, petrochemical, chemical, pharmaceutical, etc. It is mainly ... [阅读全文]

The national standard for 3PE anti-corrosion steel pipes is GB/T23257-2017, which was officially implemented on January 1, 2017. This standard replaces the SY/T0413-2002 standard and mainly specifies the technical standard for polye... [阅读全文]

Friends, today we will talk about the advantages of using anti-corrosion spiral welded steel pipes for top pipes in top pipe engineering. As an indispensable part of modern construction engineering, pipe jacking engineering needs... [阅读全文]