The global steel industry has bottomed out
Make use of metal cans, covered in shiny silver, really beautiful. This is because the light dip tin in tin outside wearing a “tin gowns,” people call this metal as “tin.” On the “tin” the origins of the old name, reportedly because of past foreign businessmen enter this metal from China’s Tibet Ali Ministry horses mouth; but also that due to our past to do with this tin of kerosene lamp, shaped like horses mouth, so called “tin.” The world’s annual production of tin almost 30% is used to produce tinplate.
Tin and iron feeling good for each other. Although the surface of the tin, just painted a very thin layer of tin, however, it can tightly attached to the metal. Even when heated, rusted tin, tin dioxide and oxygen compounds generated, but it is still closely follows the oxide film layer on the surface of tin, tin no longer there to protect the rust. This has become a metal tin guards, the iron and oxygen, water cut off, so the life of tinplate much longer than ordinary metal.
Manufacturing a tinplate does not take much, just 11.2 grams per square meter tin; as a box of paint, you can draw on dozens, hundreds, like painting, one ton of tin, actually can cover more than 80,000 square meters of iron. So, tinplate cheaper.
However, the use of tin, you can get more careful, do outside of the tin layer misfortune to scratch! If misfortune to scratch, and then a damp, the whole metal will quickly rot.
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