Avoid Common Pitfalls in Process Pipe Welding Applications

The time of issue:2014-8-6 8:31:40       Author:

In order to perfect welded steel pipe on a section, we can use various ways to make it. There are some common pitfalls you should avoid and some common mistakes you should not make in process of pipe welding applications.

We are curious and confused to welded steel pipe. There are numbers of pipe which is high-pressure or high purity supply for beverage industries and oil and gas industries and so on. In the pipe welding, we can see lots of common elements. In order to choose a MIG gun which has low rate, improper shielding gas and drive rolls are needed. Next we will introduce some common issues and avoid common pitfalls you may need to.

The first way of how to avoid common pitfalls in process of pipe welding applications is forgetting to grind the joint after oxyfuel or plasma cutting. In order to the cut edge, a layer of oxide should be added in the processes of plasma cutting and the oxyfuel. We can remove the oxide layer to welding. Compared to the base metal, the oxide has a higher melting point. That is the reason why we must remove the oxide layer to welding. But there is too hot to melt the oxide and the base metal. This may result a burn through when heating the oxide and the base metal too hot. At the same time, we can find that there are oxides still remain in the weld and these oxides may result porosity, inclusions or other defects. We should remember the importance of welders' joint.

The second way of how to avoid common pitfalls in process pipe welding applications is cutting corners. In order to distortion, more prone of materials should be worked with welders. At the same time, the higher heat input is easily influenced when welders are working. We can know that poor fit-up is usually leaded to a poor cut, stainless steel and other factors. In order to fill the welded pipe, Welders add more filler metal into the joint. From this, we know that distortion can be leaded by the added heat. The corrosion-resistant qualities of the base metal also can be reduced by this added heat. Weld cycle times also should be longer for poor preparation. The high costs of consumable and repairs of potential can be reduced because of poor preparation. In order to cut pipe which is used in critical process, chop saws or band saws are usually used by shops. This is one avoid common pitfalls in process pipe welding applications. In conclusion, we can take measures to make welding pipe according to this means of how to avoid common pitfalls.

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