Inferior stainless steel welding pipe not only use effect not ideal, and use life is very short, but when a lot of customers are in choose and buy, do not know what kind of stainless steel welding pipe just belongs to inferior product, arranged a few content for you today, want stainless steel welding pipe to appear in the following 5 kinds of problems only, it is inferior product namely.
1. Shrinkage cavity.Shrinkage cavity is what, shrinkage cavity is the liquid state of stainless steel steel in the mold inside the shrinkage, sometimes because of the impact of the environment, such as air, temperature and other forms a number of shrinkage cavity, with a professional perspective is called shrinkage cavity.
2. Transverse crack.Transverse crack this is relatively easy to understand, is the surface of the stainless steel transverse crack, generally in the ingot period will occur transverse crack phenomenon, but most are shallow depth.
3. Longitudinal crack.Knowing the transverse fissure, then the meaning of the longitudinal fissure is obvious.A longitudinal crack is a crack that appears on the surface of the ingot, usually in the top and in the corners, where the longitudinal crack is deeper.
4, scar.It is said above in stainless steel upper or corner drop those places may appear longitudinal crack, so in the lower area sometimes will appear skin makeup or tumor makeup metal splash stick, looks like a layer of scar, so called scar.But such problems are rare.
5. Surface pores.The porosity is also very easy to understand, that is, on the surface of the stainless steel welded pipe can be visible to the naked eye many small holes, these holes are very shallow, like transverse crack.