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Anonymous Poster #1

Steel and Gas

05/26/2011 1:03 AM

hello, can steel be used to guide very hot air/gas (around 900-1000 deg C). if so, what grade of steel ?
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Tornado
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#1

Re: Steel

05/26/2011 1:21 AM

There are various nickel- and cobalt-based alloys what should work, but nothing I could find in "plain" carbon steel. This site has further information.

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Mukesh0861
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Re: Steel and Gas

05/26/2011 12:05 PM

Plane steel can not bear these temperatures for long, however refractory lined steel duct can perform well.

Stainless steels grade 347/321 can perform well up to 600°C or so on continuous basis.

Normally nickel alloys are used for high temperature services. Various grades of nickel alloys are given in the other response.
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user
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#3
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Re: Steel and Gas

05/30/2011 4:08 AM

arent stainless steel exhaust headers available for vehicles ??
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Mukesh0861
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Re: Steel and Gas

05/30/2011 12:42 PM

Yes they are there.

By the way have you ever recorded temperature of exhaust headers for vehicle??
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