The steel tube is under pressure and the plastic is good for welding and processing.Through various strict and scientific tests and tests, the use of safe, reliable, steel tube diameter, high transport efficiency, and can save the investment of laying pipeline.It is mainly used to lay pipelines for oil and gas.
1.It is also known as the black pipe, which is also referred to in the welding tube (GB/t3092-1993).It is a welding tube used for conveying water, gas, air, oil and steam.It is divided into plain steel tube and thick steel tube.The receiver is divided into non-threaded steel tubes (light tubes) and threaded steel tubes.The specification of steel pipe is described by the nominal aperture (mm), and the nominal aperture is the approximate value of the inner diameter.Used in inches, such as 11/2.The pipe is used as the original tube of galvanized welded steel tube for low pressure flow.
2.It is also called galvanized electric steel tube, commonly known as white tube.Is used to transport oil, gas, air, water and heating steam, warm water generally low pressure fluid or other purposes such as hot dip galvanized welded butt weld or welding steel pipe.It is divided into plain galvanized steel tube and galvanized steel tube.The receiver is divided into non-threaded galvanized steel tube and galvanized steel pipe with thread.The specification of steel pipe is described by the nominal aperture (mm), and the nominal aperture is the approximate value of the inner diameter.Used in inches, such as 11/2.
3.Conventional carbon steel wire casing (gb3640-88) is a steel pipe used in electrical installation engineering such as industrial and civil building and installation machine equipment.
4.The straight A53 B electric resistance welding tube (yb242-63) is a steel tube that is parallel to the steel pipe.It is usually classified as a metric electric welding tube, welding thin-walled tube, transformer cooling oil pipe and so on.
5. Confined fluid conveying with spiral seam submerged arc welding steel pipe (SY5036-83) is a hot rolled steel coil tube billet, often spiral shape, with double-sided submerged arc welding method, welding, spiral seam steel pipe used for pressurized fluid conveying.The steel tube is of high pressure ability, the welding performance is good, through various strict scientific tests and tests, the use is safe and reliable.The steel pipe is big, delivers high efficiency, and can save the investment of laying pipeline.It is mainly used to carry oil and gas pipelines.
6. General low-pressure fluid conveying spiral seam high frequency welded steel pipe (SY5039-83) is a hot rolled steel coil tube billet, often spiral forming temperature, using high-frequency lap welding welding for general low-pressure fluid conveying spiral seam high frequency welding steel pipe.
7. The pile with spiral weld pipe (SY5040-83) is a hot rolled steel coil tube billet, often spiral shape, made of double-sided submerged arc welding or high frequency welding, used in civil construction structure, port, bridge foundation pile with steel pipe.
What are the precautions for storing seamless steel pipes?
1. Choose a suitable venue and warehouse; 2. Reasonable stacking, advanced first; 3. Packaging and protective layers of protective materials; 4. Keep warehouse clean and strengthen material maintenance.
Significance of Proximity Effect on the Production of High-frequency Longitudinal Welded Pipes
In addition to the skin effect, the proximity effect is another feature of current. When alternating currents of equal magnitude and opposite directions pass through two adjacent conductors, the current will flow through the adjacent inner surface layers of the two conductors, and when the two conductors pass When alternating currents of the same size and direction, the current will flow through the outer surface layers of the two conductors. The proximity effect of the current makes the current in the conductors further uneven. It is this unevenness that makes the high-frequency welded pipe(ERW).
Summary of Advantages and Disadvantages of High-Frequency Welded Pipe Forming Methods
Advantages and disadvantages of high-frequency welded pipe forming methods
