Knowledge

27Aug, 2024

Production Process Knowledge of Hot-Dip Galvanized Steel Pipes
Zinc is easily soluble in both acids and alkalis, earning it the name of an amphoteric metal. Zinc undergoes little change in dry air but forms a dense layer of basic zinc carbonat
27Aug, 2024

Final Heat Treatment of Steel Tubes
The purpose of final heat treatment is to enhance mechanical properties such as hardness, wear resistance, and strength. (1) Quenching Quenching can be categorized into surface que
27Aug, 2024

Purpose and Characteristics of Hot-dip Galvanized Steel Pipes
Hot-dip galvanized steel pipes are produced by reacting molten metal with an iron substrate to create an alloy layer, thereby combining the substrate and the coating. The process i
26Aug, 2024

What are the Surface Requirements for Spiral Steel Tubes?
Currently, many spiral steel tube manufacturers produce pipes that do not meet the standard surface requirements despite the continuous production of spiral tubes. Let's delve
26Aug, 2024

Forming Methods of Spiral Pipe Coiling and Causes of Forming Seam Defects
The forming method for spiral submerged arc welded pipes is the upper-coiling method. In the upper-coiling process, the elevation of the lower surface of steel pipes of various spe
26Aug, 2024

Introduction to the Production Process of Spiral Pipes
The production process of spiral steel pipes is characterized by its simplicity, high efficiency, and capability to produce welded pipes with larger diameters from material of a gi
26Aug, 2024

Introduction to the Differences Between Ordinary Steel Pipes and Spiral Welde...
Steel pipes can be classified by welding methods into arc-welded pipes, high-frequency or low-frequency resistance-welded pipes, gas-welded pipes, furnace-welded pipes, Bundy tubes
26Aug, 2024

Factors Causing Corrosion of Spiral Pipes
Spiral pipes, often stacked outdoors and mostly buried underground during use, are prone to corrosion and rusting. To ensure unhindered flow within the pipelines, these pipes must
25Aug, 2024

Applications and Production Process of Spiral Pipes
Spiral pipes, also known as spiral steel pipes or spiral welded pipes, are manufactured by rolling low-carbon structural steel or low-alloy structural steel strips into a pipe bill
25Aug, 2024

Introduction to the Advantages of 3PE Anticorrosive Steel Pipes
3PE anticorrosive steel pipes refer to steel pipes with a three-layer polyolefin coating (MAPEC) for external corrosion protection, which is a commonly used anticorrosive pipeline
25Aug, 2024

Differences Between Hot-Rolled Steel Tubes and Cold-Rolled Steel Tubes
Steel tubes, as an essential component of steel products, are classified into two major categories: seamless steel tubes (made from round billets) and welded steel tubes (made from
25Aug, 2024

Treatment Methods for Decarburization on the Surface of Spiral Tubes
Spiral steel tubes are produced from strip steel coils as raw materials, which are pressed at room temperature and bent into a spiral shape. They are then welded with an automatic

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