Industrial News
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Drainage pipeline
Drainage pipeline refers to the collection and discharge of sewage, waste water and rainwater pipe drainage system and affiliated facilities. Including dry pipe, branch pipe and pipe leading to treatment plants, Regardless of the pipeline on the street or in any other place, as long as they play ...Read more -
The Type of Steel Pipe Used for Oil Transportation
The processing, transportation and storage of oil is highly complex with high pressure and corrosion. Crude oil from the underground contains substances such as sulfur and hydrogen sulfide that can oxidize the pipeline. This is a key problem during the oil transportation. Therefore, the material ...Read more -
What is the difference between ut and x-ray pipe examination
The use of ultrasonic testing methods is to detect instrument called the ultrasonic flaw detector. Its principle is: the ultrasonic wave propagation in the material is detected, the acoustic properties of the material and the internal organization changes have some impact on the propagation of ul...Read more -
Zinc coating
Zinc is a metallurgical reaction process. From the microscopic point of view, the process of hot dip galvanizing is two dynamic balance, heat balance and zinc iron exchange equilibrium. When the steel workpiece immersed in about 450 ℃ molten zinc liquid, room temperature liquid zinc absorption he...Read more -
Advantages and disadvantages of hot rolled steel
Hot rolled is relative to the terms of the cold-rolled, cold-rolled is in the recrystallization temperature below the rolling, and the hot rolling is carried out at above the recrystallization temperature rolling. Advantages: hot rolled can damage the cast microstructure of the steel ingot, refin...Read more -
Accident causes and prevention of oil and gas pipeline engineering disasters
Gas Pipeline Hazardous Factors Under normal circumstances, the gas is transported in a closed system, once the system failure leading to custody transfer of natural gas leaks, natural gas is mixed with air to form an explosive gas to reach the explosive limit or a case of point water will fire ex...Read more