headless concrete nails

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  • The coating of electrode plays a very important role in the welding process. If adopting the light of the coated electrode welding, is in the process of welding, oxygen and nitrogen in the air can invade the molten metal, the metal iron and beneficial elements carbon, silicon, manganese oxide and nitride oxide and nitride formation, and remain in the weld, weld slag or crack. And melt into the molten pool in the gas can make the weld produces a large number of pores, these factors can make the mechanical properties of the weld is greatly reduced, at the same time to make the weld brittle.

  • Flood control and flood information. Can also be used for handicrafts manufacturing, machinery and equipment of transport network mountain beautification network – high strength wire grille (hook flower net, rhombus net) the use of mountain flowers network protection principle, hook flower net, mesh uniform, flat surface, weaving concise, crochet, beautiful generous, wire mesh, mesh with wider picture, diameter of thicker, not easy corrosion, taking a long, and strong usefulness.

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