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Why does stainless steel rust? Why is there still magnetism?
Why does stainless steel rust? Why is there still magnetism? When brown rust spots (spots) appeared on the surface of stainless steel pipes, people were surprised: "Stainless steel does not rust, and rust is not stainless steel. It may be that there is a problem...Read more -
Blast furnace cooling equipment structure
Blast furnace cooling equipment structure Blast furnace cooling is an important condition for the formation of protective slag skin, iron shell, and graphite layer. It reduces the temperature of the refractory lining itself and provides direct protection. It also protects the strength of structu...Read more -
Basic knowledge of steelmaking
Basic knowledge of steelmaking Steelmaking begins with ironmaking. Steel comes from pig iron. Pig iron smelted from iron ore has high carbon content and many impurities (such as silicon, manganese, phosphorus, sulfur, etc.). Therefore, pig iron lacks plasticity and toughness, and has poor mechani...Read more -
Brief introduction of hot-dip galvanized steel types, uses, production technology development process and other issues
Brief introduction of hot-dip galvanized steel types, uses, production technology development process and other issues In recent years, the hot-dip galvanized steel sheet has been well received by users because of its good corrosion resistance, beautiful appearance, conducive to subsequent proces...Read more -
Common problems of galvanized steel coil
Common problems of galvanized steel coil 1. How many types of galvanizing methods are currently available in the world? Answer: There are three types of methods: electro-galvanizing, hot-dip galvanizing and galvanizing. 2. What are the commonly used steel grades for hot-dip galvanized sheets? An...Read more -
India will announce a large-scale infrastructure construction of 100 trillion rupees to boost the economy. Whether the fiscal support can support it remains to be seen
Xinhuameng, August 25 (Reporter Zhang Dongbuy) India Modi plans a financial plan to start infrastructure construction of 10.33 billion rupees (approximately equivalent to 135 trillion U.S. dollars). India is currently implementing this plan, the main purpose is to boost the domestic economy and i...Read more -
Iron ore prices fell more than 30% in a month
Port spot transaction volume declines, market trading atmosphere is sluggish The main iron ore futures contract has fallen all the way since July 16. New lows, and spot prices are also continuing to fall. According to the port, as of August 6, the volume of iron ore entering the port for ...Read more -
The first Sino-Russian cross-river railway bridge Russia-Tongjiang Sino-Russian Heilongjiang Railway Bridge track laying has been completed
On August 17, at the construction site of the Tongjiang Sino-Russian Heilongjiang Railway Bridge, the installation of the last set of track cleats for the Sino-Russian standard-track interface was completed, marking the first cross-river railway bridge between China and Russia-the Tongjiang Sino...Read more -
Research on China’s Strategy of Strengthening the Country with New Materials Facing 2035
Issued by Chinese Academy of Engineering: Research on the Strategy of Strengthening the Country with New Materials Facing 2035 Recently, the scientific research team of Academician Qian Yong of the Chinese Academy of Engineering wrote an article in the journal of the Chinese Academy of Eng...Read more -
The Enlightenment Brought by the History of the U.S. Steel Industry
● Both the United States and Japan have significantly increased the industry concentration to a high level in the middle and late stages of their large-scale development. ●It is not difficult to find from the development of the steel industry in the United States, Japan and other countries th...Read more -
Three causes and analysis problems of blast furnace hearth burn-through accidents
Blast furnace longevity design is a systematic project. No single technology can achieve the longevity goal of blast furnace. It is necessary to consider all aspects of blast furnace design, masonry, maintenance and operation. The corrosion of the hearth and bottom seriously endangers the life of...Read more -
China has once again raised tariffs on steel and adhered to the path of high-quality and reduced-quantity development.
On July 29, the Customs Tariff Commission of the State Council issued an announcement that starting from August 1 this year, the export tariffs on ferrochrome and high-purity pig iron will be appropriately increased, with export tariff rates of 40% and 20% respectively. ...Read more
