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Incoloy 800H Used for Ethylbenzene Dehydrogenation in Styrene Project

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The ethylbenzene dehydrogenation system is the core facility in production of styrene. Metals-Piping has supplied large diameter bellows expansion joints and welded pipes made of Inoloy 800H (UNS N08810) to one of SINOPEC’s styrene project.

The ethylbenzene dehydrogenation system in a styrene project

The ethylbenzene dehydrogenation system in a styrene project, 100000 mt/y, SINOPEC, Daqing.

Specification of the piping system:

  • design temperature & design pressure: 649°C & 170 kPa.
  • flow media: steam, ethylbenzene, styrene, CO2, CH4, H2, methylbenzene, catalysts, etc.
Incoloy 800H bellows expansion joint, DN 1200.

Incoloy 800H bellows expansion joint, DN 1200.

The Incoloy 800H welded pipe 24" STD, made to ASTM B514 UNS N08810.

The Incoloy 800H welded pipe 24″ STD, made to ASTM B514 UNS N08810.

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    SJZ Metalsin Tech Co Ltd
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