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Hot rolled low alloy steel with good carbon dioxide corrosion resistance and hydrogen induced cracking resistance

机译：热轧低合金钢，具有良好的抗二氧化碳腐蚀性能和抗氢致开裂性能

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摘要

The present invention relates to a hot-rolled steel product for a line pipe low alloy , hot rolled steel material of the present invention is , by weight % of C: 0.01 ~ 0.07%, Si: 0.1 ~ 0.3%, Mn: 0.5 ~ 1.5%, P: less than 0.015%, S: less than 0.001%, Al: 0.05% or less, Nb or Ti alone or a composite with 0.06 % or less , Ca: 0.001 ~ 0.005%, Co: 0.5 ~ 1.5%, W: and 0.1% to 0.5%, the composition may incorporate a glass unavoidable impurities and Fe. Hot-rolled steel of the present invention is within the CO as containing a small amount of Co and W components ₂ there is an effect that improves corrosion and HIC resistance .

机译：本发明涉及一种用于管线管低合金的热轧钢产品，本发明的热轧钢材料的重量百分比为C：0.01〜0.07％，Si：0.1〜0.3％，Mn：0.5〜5％。 1.5％，P：小于0.015％，S：小于0.001％，Al：0.05％以下，单独的Nb或Ti或0.06％以下的复合材料，Ca：0.001〜0.005％，Co：0.5〜1.5％ W：和0.1％至0.5％，该组合物可以掺入玻璃不可避免的杂质和Fe。本发明的热轧钢在CO内含有少量的Co和W成分_{2 ，因此具有提高耐腐蚀性和耐HIC性的作用。}

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公开/公告号KR100564325B1

专利类型
公开/公告日2006-03-29

原文格式PDF
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申请/专利号KR20010082776
发明设计人 노광섭;양부영;
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申请日2001-12-21
分类号C22C38/10;
国家 KR
入库时间 2022-08-21 21:24:04

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