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What are the detection methods for oil casing
1. Ultrasonic detection: When ultrasonic waves are propagated in the material being tested, the acoustic characteristics of the material and the changes in the internal structure have a certain impact on the propagation of ultrasonic waves. By detecting the degree and situation of the influence o...Read more -
What is the difference between fine polishing and rough polishing of industrial stainless steel pipe fittings
Rough polishing is to roughly grind and cut metal objects. Usually, this automatic polishing machine uses a double polishing head for polishing. The advantages of this rough polishing are high power and fast processing. It can polish the product comprehensively in the shortest time. Usually, the ...Read more -
How can we increase the stability of this large-diameter spiral steel pipe
In our lives, spiral steel pipes are widely used, and can be used in almost every industry, such as drainage, water supply, and gas transportation, such as petroleum gas, liquefied gas, and coal gas. As a building structure, it has many uses, and the stability of spiral steel pipes is also very g...Read more -
Spiral welded pipe weld eddy current nondestructive testing method
Pipeline transportation, as an efficient special transportation means, has played an increasingly important role in the fields of oil and gas transportation. Domestic large-diameter transportation pipelines are currently mainly constructed with spiral welded steel pipes. To ensure the reliable op...Read more -
The difference between the standard specification of spiral steel pipe and precision steel pipe
Spiral steel pipe is mainly used in tap water engineering, the petrochemical industry, the chemical industry, the power industry, agricultural irrigation, and urban construction. Spiral steel pipe is one of the 20 key products developed in my country. For liquid transportation: water supply and d...Read more -
Hardness of galvanized layer of hot-dip galvanized seamless steel pipe
For induction heating of hot-dip galvanized seamless steel pipe, heating is usually started from the outer wall of hot-dip galvanized seamless steel pipe to improve its mechanical properties. The galvanized demagnetized steel pipe method has simple equipment and processes, can meet the requiremen...Read more