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How can i tell if exhaust pipe is stainless?

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Old 12-15-2006, 03:21 PM
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Default How can i tell if exhaust pipe is stainless?

I just bought an exhaust and the guy first told me it was aluminized and then told me it was stainless. He will give me my money back if its not stainless so i decided to buy it. I figured i would jsut hit it with a magnet to see if its stainless but i guess that some stainless steels are magnetic. There is no surface rust or anything but it would be aluminized if its not stainless so there shouldnt be surface rust. How can i tell which it is?
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Old 12-15-2006, 03:29 PM
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Default Re: How can i tell if exhaust pipe is stainless?

Did you try a magnet yet?
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Old 12-15-2006, 03:32 PM
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Default Re: How can i tell if exhaust pipe is stainless?

I tried the magnet and there was a strong pull. I called kteller and they said they cant visually tell the difference between the pipes. I am doing a bit more research and it says that stainless steels are magnetic too.
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Old 12-15-2006, 03:33 PM
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Default Re: How can i tell if exhaust pipe is stainless?

300 series stainless is not magnetic. That would most likely be what kind of stainless they would use meaning its most likely mild steel.
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Old 12-15-2006, 03:47 PM
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Default Re: How can i tell if exhaust pipe is stainless?

Originally Posted by rsmith2786
I tried the magnet and there was a strong pull. I called kteller and they said they cant visually tell the difference between the pipes. I am doing a bit more research and it says that stainless steels are magnetic too.
Stainless can be slightly magnetic do to a low level of chromium in it but not a stong pull.
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Old 12-15-2006, 03:56 PM
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Default Re: How can i tell if exhaust pipe is stainless?

300 series stainless steel is not magnetic. End of discussion. Go google it like you do for any other question you've ever been asked Mr. "Premed".
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Old 12-15-2006, 10:21 PM
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Default Re: How can i tell if exhaust pipe is stainless?

Originally Posted by Inquisition
300 series stainless steel is not magnetic. End of discussion. Go google it like you do for any other question you've ever been asked Mr. "Premed".
Did I ever say 300 was? So no it's not end of discussion. Now you go google stainless metallurgy. Tell me the make up of it. Then you can find out what an idiot you really are. You're just pissed that 60% of the world is smarter than you and think we google everything. I also read medical books.
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Old 12-15-2006, 10:44 PM
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Default Re: How can i tell if exhaust pipe is stainless?

Doctor. I built the chest ------er, you know the one with the crank and gears one. Stainless, with some lead to make the machining easier, but harder on us welders. Some stainless is magnetic some is not.

Randy
Steel in my eye=no MRI
Is writin on my helment
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Old 12-15-2006, 11:13 PM
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Default Re: How can i tell if exhaust pipe is stainless?

Originally Posted by iceracercrx
Doctor. I built the chest ------er, you know the one with the crank and gears one. Stainless, with some lead to make the machining easier, but harder on us welders. Some stainless is magnetic some is not.

Randy
Steel in my eye=no MRI
Is writin on my helment
Now you can go kill yourself Inquisition. This proves you really are a stupid mother ****** after all.
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Old 12-16-2006, 09:40 AM
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Default Re: How can i tell if exhaust pipe is stainless?

Stainless can be magnetic expescially if you weld it, I get done welding manfolds they will pick up the steel shavings off the table, and you can feel a magnet pull it isnt strong but it is there, when it isnt welded the pull is weaker I guess something about the heat and high frequency aligning the atoms or something lol

-James
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