This article focuses on the story about the main types of metal. Although we usually do not know about that sort of thing, and are unlikely to recognize that the most metal-roll in the final product, but a variety of rolled products are a very significant role in our lives. Convince yourself – zelo this indispensable product, and benefit from it a lot. Metal-roll, as a phenomenon has arisen in parallel with the advent of powerful steam engines, which made it possible fast processing of large amounts of metal. This happened in the xviii century, and in the first half of the xix century appeared the first technology that allowed soon to produce large pipes, gun barrels, steel plates, etc. Active development of industry led to the rapid economic growth in Europe and the U.S., because metal products to show their best side. Since then rolled finds applications in various fields – in engineering, construction, laying communications, insulation and cladding, and even sculpture. This is because the steel structure is and remains one of the most affordable and durable materials in the world, and metal products is the most suitable type of most designs for a variety of works.
Neither branch of the economy today is not without metal products. Of course, somewhere used high-tech alloys, somewhere may be applied and more primitive metal. Nevertheless, here take at least a conventional pipe – where they do not apply! This long-distance pipelines and oil pipelines. This communication network the big cities – water, sewerage, central heating, the shell for various kinds of cables, both electric and telephone, optical, television, and many others.