09CUPCRNI-A weathering steel is characterized in that the alloy composition and the weight percentage of weathering steel are: C: 0.12 to 0.21, Si: 0.2 to 2.0, Mn: 0.7 to 2.0, S≤0.036, P≤0.034, Cu: 0.10 to 0.40 , Al <0.2, the balance of Fe and trace impurities. Through the alloying of Cu, Mn, Si, Al and other materials, and simply adjust the ordinary low carbon steel (Q235 steel) part of the element content, without changing the Q235 steel production process conditions, can produce a good resistance to atmospheric corrosion , Comprehensive mechanical properties of economic weathering steel.
09CUPCRNI-A weathering steel (atmospheric corrosion resistant steel) in the modern metallurgical new mechanisms, new technologies and new technology to sustainable development and innovation, is the world's top steel technology, one of the leading level of steel. 09CUPCRNI-A weathering steel from the carbon steel to add a small amount of copper, nickel and other corrosion-resistant elements, 09CUPCRNI-A with high-quality steel toughness, plastic extension, molding, welding, erosion, high temperature, fatigue and other characteristics; Carbon steel 2 to 8 times the coating of carbon steel 1.5 to 10 times, can be used thin, use or simplify the use of coating. The steel has a rust-resistant, so that members of anti-corrosion life extension, thinning and reducing consumption, the provincial energy-saving features, so that component manufacturers, users benefit. And the current manufacturing of the elite of the steel talent, is currently the most scarce, the current storage of weathering steel talent is more iron and steel network. Weathering steel products for the manufacture of containers, railway vehicles, oil derrick, harbor construction, oil production platform and chemical oil equipment containing corrosive media containers and other structural parts.
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