1 1 4 stainless steel roofing nails

Latest articles



Popular articles

Latest articles

  • (3) It has a strong ability to resist natural damage, corrosion resistance and adverse climate impact;

  • If adult dogs and puppies touch noses out of love, then adult dog nose touching is more meaningful. For example, dogs can touch their noses to communicate where food is safe and whether people or other animals are in danger.

  • With the development of mining industry, pig iron classification in Our country has been very extensive, to meet the needs of the machinery industry. Generally speaking, iron wire factory produces galvanized iron wire iron can be divided into two categories, is directly from the iron ore through iron tracing exercise out of the metal, the primary components of the ore is iron oxide, silica and other miscellaneous stones. When this ore is specially refined into metal iron, the elements such as carbon, silicon, manganese and so on are mixed in, so that the refined data is called – like general pig iron, also for the initial grade of the material.

  • As we all know, the mechanism of resistance to atmospheric corrosion of zinc includes mechanical protection and electrochemical protection. Under the condition of atmospheric corrosion, there are ZnO, Zn(OH)2 and basic zinc carbonate protective film on the surface of zinc layer, which to a certain extent slows the corrosion of zinc. When this protective film (also known as white rust) is damaged, a new film will be formed.

  • Links