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Matters needing attention in the use of thick-walled steel pipes:
How much wall thickness can be called thick-walled steel pipe? This is a bit doubtful. It depends on the ratio of the outer diameter of the steel pipe to the wall thickness of the steel pipe. For example, a steel pipe with a diameter of 50 mm, and 10 mm can be regarded as a thick-walled steel pipe. Yes, but for a diameter of 219mm, 10mm is just a thin-walled steel pipe. The basic definition of thick-walled steel pipes lies in what customers call him. Points to note mean that when purchasing thick-walled steel pipes, customers should specify the material of their steel pipes and the single length of the steel pipes because this involves the number of mechanically processed parts and some unnecessary waste. Then there is the detailed size of the inner and outer diameters of the steel pipe, which must be included in the calculation because the processing amount of some parts must be reserved. As a kind of mechanically processed steel pipe, thick-walled steel pipes have many classifications. Customers need to know whether they need hot-rolled seamless steel pipes, seamed thick-walled steel pipes, and some cast steel thick-walled steel pipes and hot-forged thick-walled steel pipes. Form, replaceable description, irreplaceable direct emphasis.
How to determine the important key of thick-walled steel pipe:
1. Pay attention to its thickness, the pipe diameter is greater than 0.02, because only this kind of pipe bears a large pressure, even if it is pulled hard, it will not break. Secondly, it depends on whether its surface is smooth. Inferior thick-walled steel pipes often have scars formed on the surface, and some have small cracks. steel pipes.
Second, you have to measure the pipe diameter from different places. See if the different places are the same, the steel pipe should be about the same in every place, otherwise, it is inferior. When you choose, you should choose big manufacturers, which generally have strict packaging, and those with loose packaging are often irregular.
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