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In our lives, no matter where we are, we can see steel-insulated steel pipes. However, everyone’s understanding of steel pipes is really narrow, and there is only one kind of steel pipe.In fact, there are two types of steel pipes used in our lives, namely, steel sleeve steel insulation steel pipes
1) Small and medium-sized steel bars, wire rods, steel bars, medium-diameter steel pipes, steel wires and wire ropes, etc., can be stored in a well-ventilated material shed, but must be placed on top and under the pad.2) Some small steels, thin steel plates, steel strips, silicon steel sheets, small
Nowadays, the demand for spiral steel pipes is increasing. In order to win the initiative in the competition, many manufacturers produce and sell unqualified spiral steel pipes in quality. Here is how to distinguish spiral steel pipes,Prevent you from being deceived in the purchase.
Spiral pipe is also called spiral steel pipe or spiral welded pipe. It is made by rolling low-carbon structural steel or low-alloy structural steel strip according to a certain spiral angle (called forming angle) into a tube blank, and then welding the pipe seam together. It can produce large-diamet