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After adding trace elements such as phosphorus, copper, chromium, and nickel to Q355NH steel, a dense and highly adherent protective film is formed on the surface of the weathering steel, which prevents rust from spreading and developing, and protects the substrate under the rust layer to slow its corrosion . An amorphous spinel oxide layer of about 50 μm to 100 μm thick formed between the rust layer and the substrate is dense and has good adhesion to the base metal, which greatly improves the atmospheric corrosion resistance of the steel material, ASTM Corten steel plate.
Perhaps this ASTM Corten steel plate explains why Trump has warmed to the idea of constructing a border wall on the U.S. border with Mexico out of steel rather than concrete. In an interview with NPR, Tom Gibson, president and CEO of the American Iron and Steel Institute estimated that the barrier would require a hefty order of ASTM Corten steel plate 3 million tons of steel.
The company covers an area of 15,000 square meters and the plant construction area is 10,000 square meters. We have introduced more than 50 sets of advanced ASTM Corten steel plate production equipment, auxiliary equipment and testing equipment at home and abroad, more than 260 employees, more than 20 middle and senior management staff, more than 10 professional and technical personnel, annual production capacity of 100,000 tons. Main products: flat steel, ASTM Corten steel plate steel pipe, steel plate, section steel, steel structure processing parts, etc. We also accept incoming materials and annealing processing.
The qualified flat steel has sufficiently high high temperature strength and high temperature plasticity. Therefore, ASTM Corten steel plate flat steel is not only required to have high enough normal temperature and instantaneous high temperature tensile strength and plasticity, but also long-term strength and long-term plasticity to ensure long-term safe work at high temperatures, especially under creep leakage conditions. The product thickness is 8-50mm, width 150-625mm, length 5-15m。