Yearly Archives: 2022

Main equipment of high frequency straight seam welded pipe (ERW welded pipe) production line: 1. Uncoiler The hot-rolled steel strip is disassembled and sent to the strip leveling machine. There are...

Anti-corrosion technology of seamless anti-corrosion steel pipe: The production process of seamless anticorrosive steel pipes is relatively mature, and all kinds of anticorrosion can be produced. Am...

Porosity, bubbles, shrinkage cavity residues, non-metallic inclusions, segregation, white spots, cracks and various abnormal fracture defects in cold drawn seamless steel pipes can be found through ma...

Thick-walled seamless steel pipe has the characteristics of high strength, good hardenability, good toughness, small quenching deformation, high temperature creep strength and high endurance strength....

Among the many piping materials, the most practical one is seamless steel pipe. This is a more powerful piping material, not only because of the wide range and scope of use of this piping material, bu...

Spiral steel pipe (SSAW) is a spiral steel pipe made of strip steel or coiled plate in a spiral shape, and double-sided submerged arc active welding for inner and outer seams. It is widely used in the...

How to prevent the spiral steel pipe (SSAW) from being damaged during transportation? 1. The fixed-length spiral steel pipe can be unbundled. 2. Both ends of the spiral steel pipe are provided with t...

The main purpose of the national standard low temperature seamless steel pipe: used in the pharmaceutical industry to produce ethylene, propylene, urea, synthetic ammonia, compound fertilizer and othe...

The properties and functions of seamless steel tubes. When seamless steel tubes are made, different materials are used, and seamless steel tubes have different properties. For example, the most common...

In the production process of seamless steel tubes, the steel tube body will have different degrees of curve in the longitudinal direction (ie, the length direction). However, the degree of curve of so...