Nucor has patented a light-gauge, ultra-high strength weathering steel pile for use in structures like solar arrangements. The pile, with a thickness of 2.5 mm or less, is cold-formed and has specific composition and properties, including high strength and corrosion resistance. GlobalData’s report on Nucor gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Nucor, Structure Building Framework was a key innovation area identified from patents. Nucor's grant share as of January 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
Ultra-high strength weathering steel pile for steel foundations
A recently granted patent (Publication Number: US11846004B2) discloses a cold-formed ultra-high strength weathering steel pile made from a continuously cast hot rolled steel strip. The pile includes a cold-formed web and a pair of cold-formed opposing flanges with discontinuities, an as-cast thickness of 2.5 mm or less, and a composition comprising specific percentages of carbon, chromium, manganese, silicon, copper, niobium, molybdenum, and nickel. The pile has a microstructure of at least 75% martensite, a corrosion index of 6.0 or greater, a yield strength between 700 and 1600 MPa, a tensile strength between 1000 and 2100 MPa, and an elongation between 1% and 10%.
Furthermore, the patent also covers a solar arrangement that includes the cold-formed ultra-high strength weathering steel pile driven into the ground to support one or more solar cells above the ground surface. The pile's unique composition and structure allow for enhanced strength and corrosion resistance, making it suitable for various applications, including solar installations. The patent emphasizes the specific characteristics of the steel pile, such as the presence of martensite, corrosion index, and mechanical properties, highlighting its innovative design and potential for use in demanding environments.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
