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What is the difference between high-pressure boiler steel tubes and low- and medium-pressure boiler steel tubes
The differences between high-pressure boiler steel tubes and low- and medium-pressure boiler steel tubes are as follows: 1. Different implementation standards High-pressure boiler steel tube implementation standard: GB/T5310-2018 Low and medium pressure boiler steel tube implementation standards:...Read more -
What is the main function of valves
Valves are pipeline accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveyed medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc. V...Read more -
Non-destructive testing of steel pipe fittings
The relevant provisions in the national standard for steel pipe fittings “GB/T13401-2017 Technical Specifications for Steel Butt Welded Pipe Fittings”: 7.3 Non-destructive testing 7.3.1 Tees, crosses, press-formed reducers, and pipe caps formed by the direct cutting of bars of all mat...Read more -
The meaning and classification of stainless steel pipe corrosion
In a corrosive environment, the damage caused by chemical or electrochemical interactions between metal and surrounding media is called corrosion. In a corrosive environment, when stainless steel is improperly selected, corrosion will also occur. There are many classification methods for corrosio...Read more -
What do fire steel fittings include
Fire steel pipe fittings refer to the metal joints on fire pipe belts. As a product made of special materials, the connection operation is very simple and does not require special professional skills. Ordinary workers can operate it with simple training. On the other hand, fire steel pipe fitting...Read more -
A brief introduction to boiler steel pipes
Boiler steel pipes refer to steel materials that are open at both ends and have hollow sections with a large length relative to the surrounding area. According to the production method, they can be divided into seamless steel pipes and welded steel pipes. The specifications of the steel pipes are...Read more -
The principle of anti-corrosion steel pipes
Coating anticorrosion is a uniform and dense coating formed on the surface of de-rusting steel pipes, which can isolate it from various corrosive media. Steel pipe anti-corrosion coatings are increasingly using composite materials or composite structures. These materials and structures must have ...Read more -
What is the service life of carbon steel tube?
Carbon steel tubes are made of steel ingots or solid round steel through perforation into capillary tubes, and then made by hot rolling, cold rolling or cold drawing. Carbon steel tube plays an important role in my country’s steel pipe industry. Carbon steel tubes come according to your med...Read more -
Storage conditions of carbon steel tubes
A) Choose the appropriate site and warehouse for carbon steel tubes 1. The site or warehouse where the steel is stored should be located in a clean and well-drained place, away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed from the site, and t...Read more -
Matters needing attention when purchasing welded pipe machinery
With the development of the construction industry, the application of welded pipe machinery in construction projects is becoming more and more extensive. As an important industrial equipment, the procurement of welded pipe machinery is very important. However, when purchasing welded pipe machiner...Read more -
API casing hydrostatic pressure test
API oil casing is a steel pipe used to support the wall of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion. The hydrostatic pressure test of casing pipe is an indispensable part of the production process of the steel pipe. I...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