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400 Thousand Ton Hot-dip Galvanizing Line

400 thousand ton hot-dip galvanizing line Hot Dip galvanized (Hot Dip Galvanizing) was invented in the middle of the 18th century, it was developed by Hot tin plating process, has entered the fourth century.Up to now, hot galvanizing is still the most popular and effective process measure in...

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400 thousand ton hot-dip galvanizing line

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Hot Dip galvanized (Hot Dip Galvanizing) was invented in the middle of the 18th century, it was developed by Hot tin plating process, has entered the fourth century.Up to now, hot galvanizing is still the most popular and effective process measure in steel corrosion prevention.Prior to the three centuries of development, is the representative figure of every century are: French chemist Dr Ma Luo Ying (PT. Molouin) municipal engineer lille, Paris, France (Stanistans Sorel) and Poland's Jimmy's outstanding inventors and engineers (Tadtusz Sendzimir), in 1742, Dr Ma Luo Ying for hot dip galvanized steel are pioneering experiment and mound in France's institute for the officer to read.In 1837, sorel, a French woman, applied for a patent on hot-dip galvanizing and Galvanic, a Galvanic process for Galvanic steel.In the same year, the British company hw. Grawford patented a galvanizing process using ammonium chloride as a solvent, a process that has been refined to this day.Modern metallurgy industry in 1931 of the most outstanding engineers poles, Jimmy, built the world's first hydrogen reduction in Poland, the method of continuous strip hot-dip galvanizing production line, this method is patented in the United States and in 1936-1937 in the United States and France Maubeuge steel mills were built in a state of Jimmy's name industrial hot galvanizing production line, created a new era of continuous, high speed, high quality hot dip galvanized steel strip. The patent of Chinese scholars put 1837 of lille and the birth of 1937's Jimmy's law is called hot dip galvanized one of the most important turning point and milestone in the history of, the former on the horse Luo Yingbo reportAfter a century after the invention of the solvent method hot galvanizing process, so far batch hot town zinc is still used this method;Who invented the solvent method invented the gas reduction method after 100, which laid the foundation of modern continuous hot galvanizing, hot galvanizing technology solvent method, no significant changes in the 20th century, but gases reduction method in the continuously improve, at present mainly adopts improved, Jimmy, and steel unite, the former general purpose can be used in the production of galvanized steel plate, which can produce high quality galvanized steel.In the past half century, hot plating materials have made great progress. In the 1950s and 1960s, countries such as the United States, Japan, Britain, Germany, France and Canada produced aluminum plating steel.In the early 1970s, Bethlehem steel company invented the aluminum and silicon coating material named Galvalume, whose alloy composition is 55% a1-43.4% z-1.6% Si, and the corrosion resistance is 2-6 times of the pure zinc mirror layer, which is used in the production of town layer steel.In the 1980s, international lead and zinc research organization (ILZRO) funded the research center for metallurgy and metallurgy (CRM) of Belgium to develop zinc and aluminum rare earth coating material, named Galfan, whose alloy composition is zn-5% a-re and whose corrosion resistance is 2-3 times that of pure zinc coating, widely used in the production of strip steel and steel wire.


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