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   Author  Topic: steel  (Read 172 times)
qizhen0926
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steel
« on: Jun 27th, 2018, 1:16am »		 Quote Quote Modify Modify Remove Remove
Iron and steel is the foundation of the national economy, and any industry can not do without the application of iron and steel. Can we live in houses, cooking tools, textile machines, walking vehicles, energy equipment, and materials instead of steel? It's not yet. So without steel, we will have nothing. Human activity determines the material world. What does man create from understanding nature to understanding himself? Human beings find fire and know the tools; humans prevent wild animal harm, know that houses gather together; gather houses together, know the social activities of human beings; social activities lead to different needs, and the development of iron and steel begins with the need of people.Tubos de acero inoxidable laminados
How is it made of steel? This is a very common question, but reflects the slow development of steel. When the steel was first discovered, it was not recorded because there was no word. The method of processing iron and steel recorded by us is only casting technology, casting technology has 5000 or 7000 years, and the age of unearthed cultural relics is constantly changing. Bobina de chapa y hoja de acero inoxidable 304L
This technology has come to the industrial revolution of more than 200 years ago, steel making technology rose, steel was developed from hydrostatic pressure engineering to dynamic pressure engineering, and various structures were applied. With the industrialization of trains, ships, automobiles, aircraft, aerospace and petrochemical industry, the special properties of steel came out, and stainless steel was in special steel. Invented on the basis of it. It has also become a member of the iron and steel family.En relieve acero inoxidable precio por kg malasia
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