1.Pickling passivation principle The corrosion resistance of stainless steel is mainly due to the higher content of Cr added to the steel (such as 316L W (Cr) = 16.00 ~ 18.00). Cr is easily oxidized and can form a dense Cr2O3 oxide film on the surface of
Read more →With the rapid development of the mold industry, China has made rapid development in various aspects such as the research and development of cold work mold steel materials, although the new Cr8 series cold work mold steel has both high toughness and high alloy cold work alloy
Read more →Recently, the Chinese factory successfully produced a 110 mm Q550D extra-thick high-strength steel plate, breaking through the original 100 mm thickness ceiling. The steel plate shape and performance are good and have been highly recognized by customers. It is understood that high-strength steel plates are mainly used
Read more →On the afternoon of October 16, 2019, the 15.6 meter austenitic stainless steel forging ring, manufactured by chinese company, was successfully shipped from the factory. According to the news, the austenitic stainless steel forging ring with a diameter of 15.6 meters was jointly developed by Elite and
Read more →On September 25th, the world’s first stainless steel futures will be listed and traded on the Shanghai Futures Exchange. Recently, the Shanghai Futures Exchange organized training in stainless steel futures business, laying a good market foundation for the stable operation of the variety. According to the relevant
Read more →Stainless steel bar is a kind of steel with good adaptability to the environment, strong acid and alkali resistance and corrosion resistance. Because it has the characteristics of being not easily rusted, it plays an incomparable role in many industries, including some. In the special environment, the
Read more →In May 2019, the global crude steel output of 64 countries included in the World Steel Association statistics was 162.7 million tons, an increase of 5.4% year-on-year. China’s crude steel output in May 2019 was 89.1 million tons, up 10.0% year-on-year. India’s crude steel output in May
Read more →Recently, at the Baosteel Technology Show held in Germany, Baosteel Laser Tailoring Co., Ltd. released the world’s first new technology for aluminum-silicon coated hot-formed steel welding. This technology innovates the welding process and technology between 1500 MPa and 1500 MPa aluminum-silicon coated hot-formed steel. It can
Read more →Planned Baowu-Magang tie-up could overtake ArcelorMittal as world’s top producer A planned merger of China’s largest steelmaker and a domestic rival is set to create a group whose combined production exceeded that of the entire US steel industry last year, as Beijing pushes forward with efforts to
Read more →H13 steel hot work die steel is widely used in casting die, hot forging die and hot extrusion die which require high toughness and thermal fatigue resistance due to its excellent hardenability, hardenability and good room temperature and high temperature performance. At present, aluminum alloy die-casting molds
Read more →