Spiral,submerged,arc,welding,s technology Spiral submerged arc welding steel pipe


Today LED technology is replacing the technology of old traditional lights. If you are also planning to replace traditional florescentbulbs with LED tube lights on your own then here are some important tips, which will be helpful for you in The huge variety of home school supplies available does notmake choosing what to buy easier – it makes it harder.  With so much choice and brands that promisethe earth and yet are often so like one another, parents are often left in aquand


Spiral submerged arc welding steel pipe is the strip by the spiral bending forming, with automatic submerged arc welding seam and seam made spiral seam welded steel pipe.It can be widely used for the following reasons in the production of large diameter steel pipe:1) as long as the change of forming Angle, you can use the same width of the strip in the production of various diameter of steel pipe;2) because it is a continuous forming, so the length of steel tube length is not restricted;3) weld spiral evenly distributed throughout the steel tube on the circumference of a circle, so the size of the steel tube of high precision, the intensity is also higher;4) equipment cost cheap, easy to change size, suitable for small batch and many varieties of steel pipe production. Spiral steel pipe weld than straight seam length, such as the length of L, the weld length is L/cos (theta)...The advantages and disadvantages of spiral steel pipe analysis: most of steel tube defects in spiral tube is focused on the weld seam and heat affected zone, long means that the welding defects appear probability is large, it is a long-term constraints of the main causes of spiral weld pipe is more widely used, is also disputed about the spiral pipe and straight seam pipe, especially compared with UOE tube who is superior to the problem. Spiral pipe manufacturing technology development today, we should comprehensively and correctly evaluate and compare, rediscover the spiral pipe welding seam long problem.In the use process, the principal stress direction of steel tube, namely the axis of the steel tube defect equivalent length is smaller than the straight seam pipe; Second, the pipeline steel are based on rolling steel plate, impact toughness have larger anisotropy, along the rolling direction of the CVN value is perpendicular to the rolling direction of the CVN value is three times higher. Straight seam pipe of principal stress on the direction of perpendicular to the pipe of the lowest impact resistant ability, and the spiral steel pipe stagger the direction of the lowest pipe impact resistant ability, the spiral pipe welding line long disadvantage into advantage

Spiral,submerged,arc,welding,s

technology

Maximizing Your Experience with Patent Attorneys

When you have a product or service that you want to get patent rights on, you will need to use a patent attorney. This is the only way to make sure that no one else is stealing your idea from you.But there is one thing that you need to know ...

technology

How To Uninstall Tuneup Utilities On Windows

Tuneup utilities for windows 10 were developed by AVG to make the computer accelerate faster than ever before by cleaning up the cache files and the undesired files. However the concept didn't work well and users are trying to uninstall thi ...

technology

RPA: What Makes it Crucial for Software Testing

Automation has the potential to assist human beings in more ways than one could imagine. However, most of these applications for automation have been in the context of physical activity or some such. But what many people do not know yet is t ...

technology

HRMS Mobile Apps Drive Enterprise Mobility Today

The scenario in Enterprises is changing rapidly across the globe, with more and more Enterprises embracing the concept of enterprise mobility.A study shows that 71% of enterprises count mobility as a top priority to stay competitive. Wire19A ...

technology

How to Kill The Exploiter Orb in Warframe

Source: How to Kill The Exploiter Orb in WarframeExploiter Orb is the toughest boss in game that is hard to find and hard to kill. That is why an essential guide needs to kill him to earn huge rewards. Warframe has numerous missions that pl ...

technology

Which CMS is Better - WordPress vs Drupal?

WordPress and Drupal are the two widely used and best cms for developers all over the world. In order to create a website for your business, it is highly required to choose the right CMS platform that makes the best and attractive website.. ...