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　　The relevant characteristics of galvanized steel pipe need time to prepare, because its role in decoration, construction and pipeline industry is relatively large, without it, there will be no role, so we should pay enough attention to it. In addition, there are many galvanized steel pipes produced by the manufacturer, which will inevitably lead to the phenomenon of disadvantages. The quality cannot be guaranteed, and the application function cannot be guaranteed. It's a loss phenomenon for customers. If we don't pay attention to it, there will be various traps. We need to make a good selection. When selecting galvanized steel pipes, pay attention to the following relevant features: 1. Anti pollution of galvanized steel pipes. When selecting galvanized steel pipes, pour a small amount of ink or water on the brick surface for about two minutes, and then wash with water or cloth to see if the residual traces are obvious. If there are only a few traces, the pipe has low water absorption, good anti pollution and good physical and chemical functions; if there are obvious or serious traces If there are traces, the vitrification degree of the pipe body is poor and the quality is poor.

　　2. Another way to choose the density of DN40 1.5 Inch Galvanized Steel Pipe is to tap the brick with your hand, carefully distinguish whether the sound is crisp and pleasant. If there is metal sound quality, the brick density is high and the sintering is good; if the sound is rough and boring, the sintering degree of the pipe is low, and the density is not high; if the knocking sound is hoarse, the galvanized steel pipe belongs to inferior products, or even the pipe body may have cracks. In general, if the bricks are heavy, the density is high, the hardness is high and the strength is good. Otherwise, the texture is poor.

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