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How to identify quality square tube
Time 2014-9-1 See 1024
 
How to identify quality square tube
Square tube buyers are wondering how to identify quality square tube, because now you can produce a lot of square and rectangular tube factory, seemingly are no similar quality, always look at the price. In fact, the quality of the pipe is that it can identify, how to judge the quality of the pipe that really it? 
First appearance were observed from the square tube, square tube generally good quality surface is relatively flat, flatness is also very good, especially following the small-diameter thin-walled Rectangular Pipe, if the surface is not so flat, there are a lot of scratch or bump, it should consider the quality is satisfactory. Another change is pulling the square tube, square tube redrawn after the end there are a lot of glitches or a flat head, which is also going to need Qi head glitch, as well as customers require the removal of weld reinforcement, so the appearance of square tube some more beautiful

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