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Temperature titanium turns blue

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Old Jan 9, 2007, 12:16 PM   #1
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Temperature titanium turns blue

Does anyone know what temperature titanium turns blue?

Just a question of curiosity as my exhaust tip is turning slightly reddish with a hint of blue.
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Old Jan 9, 2007, 12:40 PM   #2
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what exhaust is it??
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Old Jan 9, 2007, 12:55 PM   #3
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hold a torch up to it and make it all blue
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Old Jan 9, 2007, 01:08 PM   #4
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Titanium melts at approximately 3200F, so it probably turns color somewhere between 2500F and melting point...I think. Just a rough guess.

I really don't think your exhaust temps could make it change color. Some exhausts (such as Megan) already have a colored tip.
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Old Jan 9, 2007, 01:11 PM   #5
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Quote:
Originally Posted by Czubaka View Post
Titanium melts at approximately 3200F, so it probably turns color somewhere between 2500F and melting point...I think. Just a rough guess.

I really don't think your exhaust temps could make it change color. Some exhausts (such as Megan) already have a colored tip.
Im sure its a lot colder than that. My friend blues his ARC shiftknob on the stove
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Old Jan 9, 2007, 01:14 PM   #6
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You're not melting it, your oxidizing it.
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Old Jan 9, 2007, 01:19 PM   #7
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Ti will start turning oxidizing/nitriding from ~400C up. Higher temp will accelerate the process.
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Old Jan 9, 2007, 01:42 PM   #8
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Torch It
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Old Jan 9, 2007, 05:22 PM   #9
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Im sure its a lot colder than that. My friend blues his ARC shiftknob on the stove
thats funny.....i think i might have to buy one and try that
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Old Jan 10, 2007, 06:43 PM   #10
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i'd say your flash is a little lean then buddy

haha.
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Old Jan 10, 2007, 06:51 PM   #11
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Most of the exhaust tips are now a light blue in color.
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Old Jan 10, 2007, 07:43 PM   #12
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my greddy Ti is nice and blue where it mates up with the test pipe
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Old Jan 10, 2007, 08:37 PM   #13
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im so checking my greddy ti tomorrow
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Old Jan 13, 2007, 06:32 PM   #14
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Quote:
Originally Posted by SlowCar View Post
Ti will start turning oxidizing/nitriding from ~400C up. Higher temp will accelerate the process.

Thanks, that was the answer I was looking for.


As for the type of exhaust; Turbo XS full tbe (stainless, with titanium tip.)

Thanks for the replies.
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Old Yesterday, 02:47 PM   #15
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Just in case anyone cares 10 years after the fact...

Heat tinting of titanium:

Pale gold straw-725 F
Purple-775 F
Deep blue-825 F
Red purple-1049 F
Brown gray-1200 F
Green blue-1697 F
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