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Evaluation of Alloys for Marine Exhaust Scrubbers

Permissible level of sulfur emissions from ocean vessels have been reduced. Diesel exhaust scrubbers are one response. The scrubber environment requires corrosion resistant alloys. This study compares multiple alloys in several simulated scrubber environments.

Product Number: 51317--8972-SG
ISBN: 8972 2017 CP
Author: Brian DeForce
Publication Date: 2017
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$20.00
$20.00

New environmental regulations reduce the permissible level of sulfur emissions from ocean vessels. Frequently the most economical means of meeting the regulations is through the use of a diesel exhaust scrubber. The scrubber environment includes chlorides high temperatures and acidic conditions and requires the use of corrosion resistance alloys. This study compares several alloys (Alloy 316L (UNS S31603) AL-6XN® Alloy (UNS N08367) Alloy 31 (UNS N08031) Alloy 276 (UNS N10276) Alloy 59 (UNS N06059) Grade 2 Ti (UNS R50400) and ATI 425® Alloy Grade 38 Ti (UNS R54250)) in several simulated scrubber environments. These comparisons are essential for proper material selection as the demand for marine exhaust scrubbers grows to meet the new regulations.

 

Key words: ASTM G48, marine, scrubber, stainless steels, nickel alloys, pitting corrosion, crevice corrosion, localized corrosion

New environmental regulations reduce the permissible level of sulfur emissions from ocean vessels. Frequently the most economical means of meeting the regulations is through the use of a diesel exhaust scrubber. The scrubber environment includes chlorides high temperatures and acidic conditions and requires the use of corrosion resistance alloys. This study compares several alloys (Alloy 316L (UNS S31603) AL-6XN® Alloy (UNS N08367) Alloy 31 (UNS N08031) Alloy 276 (UNS N10276) Alloy 59 (UNS N06059) Grade 2 Ti (UNS R50400) and ATI 425® Alloy Grade 38 Ti (UNS R54250)) in several simulated scrubber environments. These comparisons are essential for proper material selection as the demand for marine exhaust scrubbers grows to meet the new regulations.

 

Key words: ASTM G48, marine, scrubber, stainless steels, nickel alloys, pitting corrosion, crevice corrosion, localized corrosion

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