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How to control the accuracy of stainless steel welded pipe is a problem worthy of discussion

by:HHGG     2021-04-23
How to control the accuracy of stainless steel welded pipe is a question worth discussing The main technical indicators of the stainless steel welded pipe produced have reached the requirements of the national standard GB12771-2002 and the standard ISO4394/I-1980(E). How to control the accuracy of stainless steel welded pipe is a problem worthy of discussion, because too much difference will lead to unusable, which is a very demanding problem.  Because the surface density of stainless steel welded pipe is relatively large, it can reach about 260 mesh even if the outer surface is not polished. If the stainless steel welded pipe is polished internally and externally, its straightness will decrease. Therefore, if there are special requirements for the straightness of the steel pipe, polishing is generally not recommended. The polished surface of the stainless steel welded pipe is already very bright. The cold-rolled stainless steel welded pipe has excellent comprehensive performance, can withstand high pressure, cold-formed, flared, and flattened without cracking or wrinkling. It can do various complex deformations and mechanical processing. After the stainless steel welded pipe is vacuum annealed, the steel pipe can be processed. Stainless steel welded pipes are generally used to manufacture mechanical structures, hydraulic equipment, machinery and other production fields. Since the size of the stainless steel welded pipe can be customized according to the needs of the user, and the tolerance range is well controlled, it can be directly used on mechanical equipment without further processing, which can save costs and greatly save mechanical processing man-hours and increase production. And material utilization. Therefore, the accuracy of stainless steel welded pipe products is generally controlled at about 0.02 mm.   The internal and external polishing treatment of stainless steel welded pipes is very important. Generally speaking, steel pipes with a diameter of 89 mm or less have a high surface finish after polishing. The outer surface of stainless steel welded pipes above 89 mm, especially 108 mm, is not ideal. If the surface of the welded pipe is required to be free of pits and holes, it generally needs to be polished and then automatically polished.  
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