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This paper sets out to highlight the potential weldability and economic advantages of the increased application of low carbon,higher niobium,steels by the global offshore fabrication industry.The metallurgical impetus driving this initiative is described and parallels with the development of this class of steel for high strength line pipe projects and onshore construction are explored.The unique and dramatic benefits of the low carbon,higher niobium development option are explained in depth and the way in which enhanced weldability can be realised to maximum effect is discussed.