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Choosing the Right Material for Hydraulic and Instrumentation Systems in MarineEnvironments – Results from Field Testing

Picture for Choosing the Right Material for Hydraulic and Instrumentation Systems in Marine Environments – Results from Field Testing
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Hydraulic and instrumentation (H&I) systems are vital parts and usually massive installations on any land-based or offshore site. They consist of several kilometres of high-quality stainless steel, nickel base or copper alloy tubing with strict dimensional tolerances and hardness values. The tubes are connected using hundreds of fittings, each precision made and expensive.

Product Number: MECC23-20225-SG
Author: Barinder J S Ghai; Jonas Höwing
Publication Date: 2023
$20.00
$20.00
$20.00

Tubes of grade UNS S31603, N08904, N08825 and S32750 have been exposed to atmospheric corrosion conditions in coastal, marine environments. Two test sites have been used, one in temperate climate on the Swedish west coast and one in Florida (US), representing tropical environment. Some tubes have also had fittings attached to them. The corrosion resistance of the four grades in respective environment has been evaluated after 12-13 months exposure time. The results show that the grades UNS N08904 and S32750 are suitable for temperate climates, while only S32750 is suitable for tropical climates.

Tubes of grade UNS S31603, N08904, N08825 and S32750 have been exposed to atmospheric corrosion conditions in coastal, marine environments. Two test sites have been used, one in temperate climate on the Swedish west coast and one in Florida (US), representing tropical environment. Some tubes have also had fittings attached to them. The corrosion resistance of the four grades in respective environment has been evaluated after 12-13 months exposure time. The results show that the grades UNS N08904 and S32750 are suitable for temperate climates, while only S32750 is suitable for tropical climates.

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