The process of 16Mn seamless steel pipes from production to use is continuously tested repeatedly. Without a good test process, it is impossible to produce a more qualified product.
16Mn seamless steel pipes can only be effective when they are repeatedly tested during production. In general, manufacturers have to continuously test repeatedly during production. The common test methods and What are the steps? We are here to introduce the steps and methods of related experiments:
During the flattening test of 16Mn seamless steel pipe, if a sample of a rolled-length pipe or segmented pipe fails, a sample should be taken from the same end of the original 16Mn seamless steel pipe for retest. If it is qualified, the 16Mn seamless steel pipe shall be rejected, and another 20Mn seamless steel pipe shall be taken from the batch, and one end shall be sampled for re-inspection. If one of them still fails, the batch of 16Mn seamless steel pipes shall be sampled and re-inspected one by one. All 16Mn seamless steel pipes that fail the flattening test shall be rejected for acceptance. When the flattening test of a rolled length tube fails, the manufacturer decides to perform flattening test on its segmented pipe. If a flattened sample of a rolled length or segmented pipe fails, it shall be re-inspected on the same seamless steel pipe. If the re-inspection still fails, the 16Mn seamless steel pipe shall be rejected.
The main component of 16Mn seamless steel pipe is 16Mn, which has a relatively high hardness and has a wide range of uses. The technical requirements in the production and use process are relatively high, so repeated tests are required!
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The difference between different specifications of straight seam steel pipe
There are many types of steel pipes, which can be divided into straight seam steel pipes and spiral steel pipes according to the welding method. Because the two steel pipes have different welding methods, the performance is also different.
Three production processes of welded pipe
This time we mainly introduce welded steel pipe, that is, welded steel pipe. Its production is to bend the tube blank (steel plate and steel strip) into the required cross-section shape and size tube by various forming methods, and then weld the weld by different welding methods to get the steel pipe.
The influence of welded pipe blank width consumption
Welded pipe blank is the raw material for manufacturing welded pipe. Its mechanical properties and chemical composition have a far-reaching impact on the quality of welded pipe. Its width is an important factor to determine the weld strength. We usually say that the appropriate width of welded pipe blank refers to the width of a given thickness. The determination of the width is restricted by many factors.
