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包頭鋼鐵申請低比例摻氫輸送管道用360MPa級管線鋼專利,滿足規(guī)定力學性能-金屬展-冶金展-2025廣州巨浪國際金屬暨冶金工業(yè)展覽會-巨浪展覽-2025 China (Guangzhou) Int'l Metal & Metallurgy Industry Exhibition 2024年10月21日 金屬展-冶金展-鋼鐵展-steel expo-metal & metallurgy expo |
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金融界2024年10月21日消息,國家知識產權局信息顯示,包頭鋼鐵(集團)有限責任公司申請一項名為“一種低比例摻氫輸送管道用360MPa級管線鋼及其制備方法”的專利,公開號CN 118756036 A,申請日期為2024年5月。
專利摘要顯示,本發(fā)明公開一種低比例摻氫輸送管道用360MPa級管線鋼及其制備方法,其中提供的低比例摻氫輸送管道用360MPa級管線鋼的的化學成分按照質量百分比計為:C:0.03~0.06%、Si:0.10~0.30%、Mn:0.90~115%Nb 0 020 0 050%Ti 0 010 0 030%Als 0 020 0.040%、P≤0.010%、S≤0.0015%、H≤2ppm、O≤30ppm、N≤50ppm,其余為Fe和不可避免的雜質,力學性能滿足:屈服強度:400~500MPa,抗拉強度:500~600MPa,延伸率A50:35~45%。
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