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湖南華菱湘潭申請(qǐng)超厚Q345R封頭板的模擬熱處理工藝專利,可用于指導(dǎo)實(shí)際封頭熱成型過(guò)程的工藝參數(shù)設(shè)置-熱處理展-工業(yè)爐展-2025第二十五屆廣州國(guó)際熱處理、工業(yè)爐展覽會(huì)-巨浪展覽—The 25th China(Guangzhou)Int'l Heat Treatment, Industrial Furnace Exhibition 2025年3月18日 熱處理展-工業(yè)爐展-heat treatment expo-furnace expo |
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金融界2025年3月17日消息,國(guó)家知識(shí)產(chǎn)權(quán)局信息顯示,湖南華菱湘潭鋼鐵有限公司申請(qǐng)一項(xiàng)名為“一種超厚Q345R封頭板的模擬熱處理工藝”的專利,公開(kāi)號(hào) CN 119614810 A,申請(qǐng)日期為2024年12月。
專利摘要顯示,本發(fā)明公開(kāi)了一種超厚Q345R封頭板的模擬熱處理工藝,包括:(1)熱成型:將鋼板加熱至900~930℃,保溫時(shí)間1.5~2.0 min/mm,鋼板出爐后空冷;(2)淬火:將鋼板加熱至890~910℃,保溫時(shí)間1.0~1.5 min/mm,鋼板出爐后水冷;(3)回火:將鋼板加熱至650~670℃,保溫時(shí)間2.0~2.5 min/mm,鋼板出爐后空冷;(4)焊后熱處理:鋼板在400℃以下裝爐,以≤55℃/h的速率升溫到600~630℃,保溫時(shí)間10‑12h,然后以≤55℃/h的速度隨爐降溫到400℃,出爐空冷。通過(guò)控制模擬熱處理工藝過(guò)程,可用于指導(dǎo)實(shí)際封頭熱成型過(guò)程的工藝參數(shù)的設(shè)置,使達(dá)到理想的封頭性能,實(shí)現(xiàn)高質(zhì)量封頭的簡(jiǎn)單制造并可實(shí)現(xiàn)大批量生產(chǎn)。
熱處理展-工業(yè)爐展-2025第二十五屆廣州國(guó)際熱處理、工業(yè)爐展覽會(huì)-巨浪展覽—The 25th China(Guangzhou)Int''l Heat Treatment, Industrial Furnace Exhibition
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