Principle of Material Selection for Subsea Pipeline
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摘要: 本文针对海底管道的特殊性,以DNV OS F101和API Spec 5L作为基本技术标准,通过对管道的主要性能指标和尺寸公差进行分析考虑,总结出海底管道的管材选用原则;根据DNV OS F101的相关补充要求,并结合荔湾3-1项目的深水管材选用情况,从厚径比、止裂韧性和塑性变形方面提出深水海底管道的管材选用建议。Abstract: In accordance to the particularity of subsea pipeline and with reference to the technical standards of DNV-OS-F101 and API Spec 5L,material selection principle for subsea pipeline is summarized based on performance and tolerance of dimension stipulated.According to DNV-OS-F101 supplementary requirements and in reference to the material selection for the deepwater pipeline of project Liwan3-1,the concepts of ratio of thickness to diameter,fracture arrest properties and plastic deformation are proposed in material selection for deepwater pipeline.
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