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首页> 外文会议>Proceedings of the ASME India oil and gas pipeline conference 2017 >THE PROCESS OF MATERIALS SELECTION FOR PIPELINE SYSTEMS OPTIMIZATION FOR LIFE CYCLES
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THE PROCESS OF MATERIALS SELECTION FOR PIPELINE SYSTEMS OPTIMIZATION FOR LIFE CYCLES

机译：生命周期管道系统优化的材料选择过程

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The selection of pipeline materials requires consideration of design, construction, operations, maintenance, threats, hazards, risks, safety and economics. Codes and standards provide mandatory and optional requirements and guidelines for the selection of materials. Experience and industry practice help to develop and implement requirements beyond mandatory and code minima, and to augment the achievement of safety and realization of the value of pipeline assets. Both codes and experience get updated over time. When selecting and using materials for pipeline systems, it becomes important to meet with code essentials, while simultaneously recognizing the recommendations of design engineers, materials specialists, manufacturers, installers and operators. There is a wide gamut of materials that can be considered for pipeline systems. These include metallic and non-metallic materials. While steels are still used as the workhorse material in the industry, several non-metallic materials are gaining prominence. These include thermoset materials, for example, reinforced plastics, and thermoplastic materials, such as high-density polyethylene. In addition to pipe, there have been significant developments in other pipeline component materials, such as for valves, fittings, flanges, gaskets, seals, adhesives, bolts and nuts. Considerable advancements have also taken place in the realm of joining and repair methods, for metallic and non-metallic materials. Many of these materials and methodologies are of a proprietary nature, with limits on how much information is divulged by the manufacturers and producers, and what is subject to information that is shared based on confidentialities. Proprietary materials, especially non-metallic products, and some corrosion resistant alloys, are generally not extensively addressed in codes and standards, especially in comparison with steel-based materials that are of the commodity type. Some internationally recognized specifications and standards address the requirements for the qualification of pipeline components, including pipe, fittings, flanges and valves, based on non-metallic materials. Other internationally recognized standards and specifications address the requirements for apparently commodity type materials and materials that are considered to be generally corrosion resistant and relatively long lasting, however, can be susceptible to failure when subjected to specific threats. This paper provides an overview of the process of selection of pipeline materials addressing the above considerations and gives an outline for the implementation of such a process. It describes ways in which a balanced approach to the use of codes and standards that are necessary for regulatory and mandatory compliance, and the application of the benefits of proprietary materials that are available for commercial purposes can be achieved. Thereby, the optimization of asset life cycle and augmentation of safety and reliability during pipeline operations can be enabled.
机译：管道材料的选择需要考虑设计，构造，操作，维护，威胁，危害，风险，安全性和经济性。规范和标准为材料选择提供了强制性和可选性要求以及指南。经验和行业实践有助于开发和实施超出强制性和规范最低要求的要求，并有助于提高安全性和管道资产价值的实现。代码和经验都会随着时间的推移而更新。在选择和使用管道系统材料时，重要的是要满足规范要求，同时要认识到设计工程师，材料专家，制造商，安装人员和操作员的建议。管道系统可以考虑各种各样的材料。这些包括金属和非金属材料。尽管钢铁仍被用作工业上的主力材料，但几种非金属材料却日益受到关注。这些包括热固性材料（例如，增强塑料）和热塑性材料（例如，高密度聚乙烯）。除管道外，其他管道组件材料也取得了重大进展，例如用于阀门，配件，法兰，垫圈，密封件，粘合剂，螺栓和螺母。在金属和非金属材料的连接和修复方法领域也取得了相当大的进步。这些材料和方法中的许多都是专有性质的，在制造商和生产商泄露多少信息以及受保密信息共享的信息方面存在限制。专有材料，特别是非金属产品，以及某些耐腐蚀合金，在规范和标准中通常没有得到广泛处理，特别是与商品类型的钢基材料相比。一些国际公认的规范和标准满足了对基于非金属材料的管道部件（包括管道，配件，法兰和阀门）进行鉴定的要求。其他国际公认的标准和规范满足了对表面上商品类型的材料的要求，这些材料通常被认为是耐腐蚀的，并且使用寿命相对较长，但是在遭受特定威胁时很容易发生故障。本文提供了解决上述问题的管道材料选择过程的概述，并概述了该过程的实施。它描述了如何实现平衡使用法规和强制性法规所必需的代码和标准的方法，以及如何实现可用于商业目的的专有材料的好处的应用。因此，可以实现资产生命周期的优化以及管道运营期间安全性和可靠性的增强。

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