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Купить Marine Chain Cable Pocket Guide |
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Цена:
500.00 руб.
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В нашем магазине вы сможете купить Marine Chain Cable Pocket Guide дешево и надежно. Оплата онлайн, любым удобным способом.
Год выпуска: 2011 Язык: английский Автор: Lloyd’s Register Жанр: Справочное пособие Издательство: Lloyd Формат: PDF Качество: OCR без ошибок Количество страниц: 48 Описание: The risk associated with chain failure, as well as the costs of replacement mean that it is essential that welded chain cable is properly manufactured, tested and certified. Stud link chain cable is a relatively high strength steel compared with weldable structural steel. This is particularly true for grade U3 chain materials. In order to achieve the required strength the carbon is increased and the correct heat treatment is therefore critical to achieving the required properties. The composition of the steel used to manufacture chain cable necessitates care when welding these materials. Most stud link chain is manufactured by an automated flash butt welding process, and where studs are welded this is normally done manually. It is important that both processes are properly conducted according to Rule requirements, since the result of poor welding is a reason for rejection of the chain cable, as some of the examples in this guide show. This guide has been produced to assist LR Surveyors in the survey of marine chain and fittings according to LR Rules. The intention is to provide guidance on the correct interpretation of the Rules, with regard to the survey of chain during manufacture. LR has a wealth of knowledge and experience in the survey of chain. Therefore Surveyors are reminded that if there is any doubt over the acceptance of chain according to Rule requirements, they should ask for advice. The guide does not form part of LR Rules, and where necessary, reference should be made to the Rules. The guide is based on the requirements incorporated into the Rules for Materials dated July 2011, but Surveyors must always make reference to the current version of the Rules. |
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Загружен - 26.05.2014 09:32:12
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Продавец - djohn2008
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