Knowledge

The full name of polyurethane insulated steel pipe is high-density polyethylene plastic outer protective polyurethane foam prefabricated directly buried insulated pipe. It is compo

Polyurethane insulated steel pipe is a common insulation pipe material with good thermal insulation and anti-corrosion properties.

This article describes the analysis of the causes of pores in spiral pipe welds.

Black steel pipe is steel that is not galvanized, sometimes it is called black iron pipe.

This article will tell you what are the advantages and disadvantages of galvanized steel pipes.

In the oil and gas transmission industry, several materials are specified as galvanized coatings to provide superior corrosion protection. There are three commonly used galvanizing

Killed steel is a type of deoxidized steel. The article will tell you how to make it.

DN900 spiral welded pipe (SSAW) is a large-diameter steel conduit with a 900 mm nominal bore, formed by continuous spiral forming and double-sided submerged arc welding. This artic

Double-sided submerged arc welding (DSAW) is the core of SSAW spiral pipe manufacture: an internal pass and an external pass under granular flux produce a deep-penetration, high-pu

Spiral welded steel pipes are the standard choice for large diameter water supply mains because submerged arc welding gives a sound, leak-tight helical seam. This article reviews t

Low-pressure fluid spiral welded pipe is a submerged arc welded steel pipe used for low-pressure fluid transportation, also known as ministry standard spiral steel pipe.

Seamless stainless steel pipe is manufactured from a solid round billet, heated and pierced to form a hollow shell, then rolled or drawn to final dimensions - with no longitudinal