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Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer
- 1000 Metric Ton / Metric Tons per Month
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Product Details
Place of Origin: | China | Certification: | API | Thickness: | 0.5, 12 |
Application: | Chemical Fertilizer Pipe | Surface Treatment: | Other, bright | Technique: | Cold Drawn |
Alloy Or Not: | Is Alloy | ||||
Secondary Or Not: | Is Secondary | Special Pipe: | API Pipe | Section Shape: | Round |
Outer Diameter: | 4, 90 |
Product Description
Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer
Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer.Automatic tube mill
There are four kinds of common series with outer diameter of 100mm, 140mm, 250mm and 400mm to produce steel pipes with outer diameter of 17-426mm. The unit is characterized by main deformation on the piercer, flexible specification change and wide range of production varieties. Due to the development of continuous tube rolling technology, it is no longer necessary to build a unit less than 140mm.
Continuous rolling production
The production equipment is composed of piercing mill, continuous rolling mill and tension reducing mill. See 1 for process flow. The round billet is inserted into the mandrel after being pierced into the blank, and is continuously rolled by a two high mill with 7-9 roll axes arranged at 90 ° to each other. After rolling, after reheating, the mandrel can be used for stretch reducing, and the steel pipe with a length of 165m can be rolled. The annual output of 140 mm continuous tube mill is 400000-600000 tons, which is 2-4 times of that of automatic tube mill. The features of this unit are suitable for the production of steel pipes with an outer diameter of less than 168mm, large investment in equipment, large installed capacity, as long as 30m mandrel, and complex processing and manufacturing. The MPM, which appeared in the late 1970s, forced the mandrel to move at a speed less than that of the steel tube during rolling. It can improve the metal flow conditions and use short mandrel to roll long and large-diameter steel tubes.
Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer.Three roll tube production
It is mainly used to produce thick wall pipes with high dimensional accuracy. The accuracy of wall thickness of the tube produced by this method is ± 5%, which is about twice as high as that produced by other methods. See 4 for process flow. In the 1960s, this method developed rapidly due to the invention of a new three high skew mill (called Transval mill). The new rolling mill features that when rolling to the tail end, it can quickly turn the entrance rotary frame to change the rolling angle, thus preventing the tail from producing triangle, and the ratio of the outer diameter of the production variety to the wall thickness is expanded from 12 to 35, which can not only produce thin-walled tube, but also improve the production capacity.
Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer.
Cold rolling and cold drawing production
It is used to produce small caliber thin wall, precision and special-shaped pipes. The production feature is multi process circulation process. The elongation can reach 6-8 (6) when cold rolling is carried out on a periodic cold rolling mill. In the 1960s, it began to develop towards high-speed, multi line, long stroke and long tube blank. In addition, the small roll cold rolling mill has also been developed. It is mainly used for the production of extremely thin and precise pipes with wall thickness less than 1mm. The cold rolling equipment is complex, the tool processing is difficult, and the variety and specification change is not flexible. Usually, the combined process of cold rolling and cold drawing is adopted, i.e., first reduce the wall by cold rolling to obtain a large amount of deformation, and then obtain a variety of specifications by cold drawing
Precision pipe 16*2 precision steel pipe precision bright steel pipe manufacturer.
Contact Us
- Shandong jibaolai Steel Co., Ltd
- Contact namewang
- AddressEconomic-Technological Development Area Liaocheng,Shandong
Seamless steel tube | Rectangular Pipe | Precision steel pipe | Alloy steel |
Stainless steel pipe |
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