Boiling steel is used extensively for the manufacture of various stamping parts, construction and engineering structures and some of the less important parts of the machine structure. But boiling steel core portion of impurities, segregation is more serious, the organization is not dense, non-uniform mechanical properties. At the same time due to the gas content in steel more, so low toughness, stainless steel manufacturers, cold crisp and aging sensitivity large painted steel manufacturers, welding performance is poor. It is not suitable for the manufacture of boiling steel to withstand impact loads, welded construction work at low temperatures and other important structures. Grade header with numerals carbon content. Provision of structural steel in millionths of a unit number (two digits), tool steel and special properties of steel units thousandths number (a number) to represent the carbon content, and the carbon content of more than tool steel 1%, the carbon content is not marked. After figures showed carbon content, alloy steel plate manufacturers, the chemical symbol element indicates the major alloying elements in steel, steel factory in Hefei, its content behind the figures indicate, the average amount is less than the number of non-standard 1.5%, with an average content of 1.5 % ~ 2.49%, from 2.5% to 3.49% when ......, corresponding to 2,3 ...... landmarks. Hefei steel manufacturers, steel plate manufacturers, exhibition of Commerce Bo (high-quality businesses) are provided by the Hefei exhibition Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) (www.hfzhanbo.com) in this field pipe poured boundless enthusiasm and passion, exhibition of Commerce Bo has been customer-centric, to create value for customers in the concept, in order to quality, service to win the market, and sincerely hope to cooperate with the community to create success, to create brilliant. Related businesses welcome inquiries, contact: Mr. Huang.