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What is the difference between straight seam welded pipe and spiral welded pipe?
Straight seam welded pipe production process is brief, high production efficiency, low cost, fast development.The strength of spiral welded pipe is generally higher than that of straight welded pipe. Narrow blank can be used to produce welded pipe with larger pipe diameter, and the same width of ... -
How much does it cost to invest in pipe welding machine production line?
How much does it cost to invest in pipe welding machine production line?This is something that many clients ask in their consulting process.A lot of people look at the price of one production line and think that this is the way to figure out the price of two, three, four production lines, but is ... -
Problems that should be paid attention to in the use of high frequency machine
1. Strictly according to the requirements of the operation, when starting up, must first water, check the waterway no abnormal conditions, and then start the machine equipment to work;The opposite is true when it is switched off. 2. Different industries have different pertinence: (I) Therma... -
Forming process of high frequency pipe welding machine
There are two different forming methods for high frequency pipe welding machine: First weld, then form. that is, first weld into a round tube, then into a special-shaped tube.Such as rectangular tube, oval, dow tubsteel wine, etc.The advantage of this method is that in the production of seve... -
Some characteristics of roller for small diameter pipe welding machine abroad
During the 1980s and 1990s, with the renovation of domestic welded pipe plants and the construction of joint venture welded pipe plants, a large number of welded pipe sets manufactured abroad entered China. They came from developed countries such as the United States, Japan, Germany and other Wes... -
Main technological features of spiral steel tube
During the forming process, the steel plate is uniformly deformed with small residual stress and no surface scratches.The processed spiral steel pipe has greater flexibility in the size and specification range of diameter and wall thickness, especially in the production of high-steel grade th... -
SSAW pipe export gradually occupy the market position
As a major basic material of building materials industry, steel pipes are in great demand in China. Now, the export of spiral steel pipes has gradually occupied the market position. The fierce development trend of the industry makes people think: compared with ordinary steel pipes, where is the a... -
Advantages of pipe welding equipment
What are the advantages of pipe welding equipment? Welded pipe equipment manufacturers to introduce to you, the main content is as follows: 1.From the perspective of economic benefits, the production of high-frequency pipe welding equipment has the characteristics of pollution-free, low noise,... -
Semi-annual review of welded pipe market in 2020 and outlook for the second half year
In the first half of the year, China's welded pipe market was affected by coVID-19 at the beginning of the year, and the domestic welded pipe price was greatly hit. With the orderly resumption of work and production in various industries in March, the demand for welded pipe increased explodes, an... -
ERW Pipe Mill Introduction
ERW Pipe Mill is specially used for producing high-frequency straight seam welded pipe and square pipe and special shaped pipe . It is a welding technology that uses skin effect and adjacent effect produced by high frequency current to connect steel plate with other metal materials Main process...
