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首页> 外文会议>Offshore Technology Conference;ExxonMobil;FMCTechnologies;Schlumberger >New Grades of High Strength Steel for Offshore Mooring Chains: R5S 1100MPa and R6 1200 Mpa
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New Grades of High Strength Steel for Offshore Mooring Chains: R5S 1100MPa and R6 1200 Mpa

机译：用于海上系泊链的高强度钢的新等级：R5S 1100MPa和R6 1200 Mpa

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摘要

This paper is focused on the definition of two new grades of high strength steel for offshore mooringrnchains providing increased strength and reduced weight for a given size.rnThe new grades are identified as:rn1. R5S, with an ultimate tensile strength of 1100 MPa.rn2. R6, with an ultimate tensile strength of 1200 Mpa.rnBoth grades should be considered as new solutions for those offshore applications in which thernmooring has shown to be risky, technologically challenging and capital intensive, such as deepwaterrnexploration and production, wind power or locations where in-service metocean conditions could exceedrnthe design ones.rnRecognising these challenges as opportunities to develop an appropriate solution, the grades R5S andrnR6 have been designed, used for chain manufacturing and characterized with standard mechanical tests,rnfracture mechanics, fatigue and hydrogen embrittlement, so as to ensure their suitability for those offshorernopportunities.
机译：本文着重于定义两种新等级的用于海上系泊链的高强度钢，这些钢在给定尺寸下可提供更高的强度和更轻的重量。rn这些新等级被标识为：rn1。 R5S，极限抗拉强度为1100 MPa.rn2。 R6的极限抗拉强度为1200 Mpa。对于那些海上锚泊应用已显示出高风险，技术挑战性和资本密集性的海上应用，例如深水勘探和生产，风力发电或服务性海洋条件可能超过设计条件。认识到这些挑战是开发适当解决方案的机会，已设计出R5S和rnR6牌号，用于链条制造，并具有标准的机械测试，断裂力学，疲劳和氢脆等特性，以便确保其适合那些离岸机会。

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