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首页> 外文会议>International Ocean and Polar Engineering Conference;International Society of Offshore and Polar Engineers >Development of Corrosion Resistant Steel for Cargo Oil Tank of Crude Oil Tanker
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Development of Corrosion Resistant Steel for Cargo Oil Tank of Crude Oil Tanker

机译：原油油轮货物油箱腐蚀钢的开发

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In response to the corrosion problems of cargo oil tank of crude oiltanker, corrosion resistant steel for bottom plate has been developedthat suppresses the macro galvanic corrosion between the defect andthe intact of oil coat by forming protective corrosion products andreduces the growth of pitting corrosion. In addition, corrosion resistantsteel for upper deck has been developed that suppresses the permeationof corrosive species in the rust layer by forming protective corrosionproducts and reduces general corrosion. In the actual crude oil tank,developed corrosion resistant steel for bottom plate reduced the numberof pits at 4mm or more in depth compared to the conventional steel. Inaccordance with the establishment of IMO regulations, corrosionresistant steel for bottom plate satisfying regulated corrosion resistanceand mechanical properties of AH/DH 32/36 grades was newlydeveloped. In addition, corrosion resistant steel for upper decksatisfying regulated corrosion resistance and mechanical properties ofAH/DH/EH 32/36/40 grades was developed.
机译：响应原油货油箱腐蚀问题油轮，已经开发出用于底板的耐腐蚀钢抑制缺陷和缺陷之间的宏观电烙腐蚀通过形成保护性腐蚀产品和涂油层的完整减少了蚀腐蚀的生长。另外，耐腐蚀已经开发出上层甲板的钢，抑制了渗透通过形成保护性腐蚀来锈蚀剂的腐蚀性物种产品并减少一般腐蚀。在实际的原油罐中，开发的耐腐蚀钢用于底板减少了数量与传统钢相比，4mm或更大的凹坑。在按照IMO法规的建立，腐蚀用于底板的耐钢材满足稳压耐腐蚀性新的AH / DH 32/36等级的机械性能是新的发达。此外，上层甲板的耐腐蚀钢令人满意的耐腐蚀性和机械性能AH / DH / EH 32/36/40等级开发。

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