| 特厚高强海洋平台用钢的试制和性能研究 |
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| 引用本文： | 何航,刘永龙,杨勇.特厚高强海洋平台用钢的试制和性能研究[J].金属材料与冶金工程,2013,41(4):3-6. |
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| 作者姓名： | 何航 刘永龙 杨勇 |
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| 作者单位： | 湖南华菱湘潭钢铁有限公司,湖南 湘潭,411101 |
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| 摘 要： | 采用转炉炼钢、LF+VD复合精炼、板坯连铸、控轧控冷和热处理等工艺技术,成功开发出特厚高强度高韧性的EH36Z35(钢板厚度80 mm)。试生产结果表明:EH36Z35的内部质量和各项综合性能指标均达到了用户的要求。其中探伤合格率达到了100%,常规拉伸和Z向拉伸性能合格率分别为100%和99.2%。在-40℃条件下,厚度1/4位置和厚度1/2位置冲击性能合格率分别达到98.8%和97.6%。
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| 关 键 词： | 特厚高强海洋平台用钢 工艺 机械性能 |
Study on Production Technique and Mechanical Properties to Extra-thickness and High Strength Offshore Platform Steel |
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| HE Hang
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LIU Yong-long
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YANG Yong.Study on Production Technique and Mechanical Properties to Extra-thickness and High Strength Offshore Platform Steel[J].Metal Materials And Metallurgy Engineering,2013,41(4):3-6. |
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| Authors: | HE Hang LIU Yong-long YANG Yong |
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| Affiliation: | HE Hang;LIU Yong-long;YANG Yong;Hunan Hualing Xiangtan Iron and Steel Co., Ltd.; |
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| Abstract: | An extra-thickness and high strength EH36Z35(80 mm) was successfully developed by adopting converter steel-smelting,LF + VD refining,slab casting,TMCP rolling and heat treatment and so on a series advanced technique.The trial-production results show,EH36Z35 steel has good metallurgical quality and high mechanical properties,which can meet the requirements of consumers.Among others,the qualified ratio of ultrasonic flaw detection attains to 100%,the acceptance rate for tensile properties and Z-directional tensile properties are 100% and 99.2% respectively.In-40 ℃ condition,the qualified ratio of 1 / 4 and 1 / 2 impact properties attains to 98.8% and 97.6% respectively. |
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| Keywords: | extra-thickness and high strength offshore platform steel technique mechanical properties |
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