News
-
What is the wall thickness of 200 galvanized steel pipe
Galvanized steel pipe is a common building material, often used for protection and corrosion protection of water pipes, gas pipes, heating pipes, and other pipes. 200 galvanized steel pipe refers to a galvanized steel pipe with a diameter of 200 mm, and the wall thickness refers to the thickness ...Read more -
What is the reason for the cracking of cold-drawn seamless steel pipes
1. Raw material selection To save costs, some seamless steel pipe manufacturers will choose round steel produced by small steel mills for processing, but the round steel produced by these small steel mills will contain many impurities, bubbles, interlayers, pores, etc., which are easy to cause cr...Read more -
14 reasons for boiler steel pipe burst and preventive
Boiler steel pipe burst refers to the situation where the water-cooled wall tubes, convection tubes, and economizer tubes in the heat exchange surface of the boiler during operation burst under the combined effect of various reasons such as overheating, wear and corrosion, and high-temperature bo...Read more -
Cold processing of industrial steel pipes
Overview of cold processing of steel pipes; Characteristics and process flow of cold processing of steel pipes Cold processing of steel pipes includes cold rolling, cold drawing, cold tension reduction, and spinning, which are the main methods for producing precision thin-walled, and high-strengt...Read more -
Don’t be misled by these heat treatment problems when treating steel pipes
1. Does vacuum heating cause quenching and carbonization? There are two misunderstandings when analyzing the carbonization phenomenon of vacuum heat treatment workpieces: first, it is believed that the workpiece is carbonized in the quenching oil; second, it is believed that the graphite parts in...Read more -
Analysis and control of surface cracks in low-temperature seamless steel tubes
Causes of microcracks in tubes To make the low-temperature seamless steel tube Gr6 have good low-temperature impact properties of -45℃, its (C) is designed to be 0.08%~0.12%, and the other chemical components are to improve strength and refine grains. Usually, (C) is added to 0.09%. 0.12% steel i...Read more -
What is industrial 150 steel pipe details
Steel pipe refers to a hollow long strip product made of steel, with a variety of specifications and uses. 150 steel pipe refers to a steel pipe with an outer diameter of 150 mm. The following will introduce the characteristics, uses, and related precautions of 150 steel pipes in detail. First, t...Read more -
Choose the right size of seamless steel pipe outer diameter
Seamless steel pipe is an important material widely used in construction, engineering, oil, gas, and other fields. As a key component of building an efficient transportation system, the outer diameter of seamless steel pipe is crucial to the quality and safety of the project. When choosing the ou...Read more -
Technical requirements for cold-drawn seamless steel pipes
Cold-drawn seamless steel pipe technology plays an important role in the steel industry. It is a key process for manufacturing high-quality steel pipes. Cold-drawn seamless steel pipes have excellent mechanical properties and high-precision dimensions and are widely used in petroleum, chemical, m...Read more -
Anti-corrosion painting and development analysis of straight seam steel pipes
The performance and functions of the original color straight seam steel pipe in the specific use process fully demonstrate the operational contribution and usability. After painting and spraying white letters, the straight seam steel pipe also looks very energetic and beautiful. Now Pipe fittings...Read more -
Things to note when using seamless pipes
Seamless pipes are made from tube blanks of various specifications through high-temperature extrusion, cooling, annealing, finishing and other processes. It is one of the four major construction steel varieties in my country. It is mainly used for transporting fluids such as water, oil, natural g...Read more -
Reasons for bending of steel pipes
1. Uneven heating of steel pipe causes bending The steel pipe is heated unevenly, the temperature along the axial direction of the pipe is different, the structure transformation time is different during quenching, and the volume change time of the steel pipe is different, resulting in bending. 2...Read more