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TWI provides advice,  consultancyresearch and development, and specialist testing facilities to the marine industry and its supply chain, focusing on improving productivity in manufacturing, reducing the need for reworking, and identifying and remedying problems of corrosion and fatigue.

Backed by over 40 years of research, TWI is recognised worldwide as a leading authority on the  analysis and avoidance of failures in marine fabrications, including expertise in:

Other services include:

As a specialist in the joining of non-metallic materials, such as engineering plastics and composites – which are increasingly used for marine applications, TWI can advise on:

Adding value

TWI helps our Member companies to plan their move towards increased mechanisation by:

  • Prioritising the activities where most savings can be made
  • Developing a productivity improvement strategy
  • Advising on ways to avoid labour-intensive processes 
  • Recommending and justify alternative processes

Driving change

As an independent authority, we liaise with classification societies, ship owners, designers and builders to achieve agreement in areas where traditional specifications are inappropriate.

TWI has been a major contributor to the drafting of National and International Standards for the design and assessment of structures to resist fatigue in both steel and aluminium.

In addition, TWI supports the Marine Corrosion Club, and has published  100 papers over 30 years addressing  corrosion cracking of stainless steels.

For more information about our services to the shipbuilding industry, please email

Media /

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For more information please email: