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10-14-2005, 08:41 PM
| #1 |
| RCC Addict Join Date: Mar 2005 Location: Saginaw
Posts: 1,721
|  Brazing Material Compatability
For my Winter project, I am planning a tube chassis. I want to mount my shocks and links to brackets brazed to the frame that have multiple holes so I can vary the setup, instead of making hoops out of tubing with only one mounting option. What material should I use? I know you can braze dissimilar metals, but then you have issues with the different materials expanding and contracting at different rates. So where can I find appropriate sheet metal similar to the steel used for brakeline? Also, will brazing these flat mounting brackets onto the tubing be strong enough?
Last edited by Mad Scientist; 10-14-2005 at 10:06 PM. |
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10-14-2005, 08:44 PM
| #2 |
| 2006 2.2 National Champ   Join Date: Dec 2004 Location: Big Bear Lake
Posts: 8,328
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Moved to Tools and Procedures, it'll get more views here.  |
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10-20-2005, 02:32 PM
| #3 |
| Rock Stacker Join Date: Oct 2005 Location: Puget Sound
Posts: 68
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I am not sure that you have too much to worry about here, since most environmental temp changes will not pose a real threat to your project.. Even if it did pose a threat, most sheetmetal is made from a similar material as brakeline anyway. Your only real issue, should you decide to braze dissimilar materials, is that of finding brazing rods/materials that work for both materials (i.e. AL and Steel), but that may just be for true welding...
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10-20-2005, 05:34 PM
| #4 |
| Dirt Addict   Join Date: Jan 2004 Location: Stumblin' thru the parking lot of an invisible 7-Eleven
Posts: 1,053
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Just go to any steel or scrap place and buy some plain old 16 gauge (1/16") steel sheet which will work fine with the brakeline. Jay |
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10-23-2005, 09:34 PM
| #5 |
| RCC Addict Join Date: Mar 2005 Location: Saginaw
Posts: 1,721
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Dreadshawn - The issue with different expansion rates of different metals after construction isn't what I was concerned about. It is during the process that I was referring to. If you braze dissimilar metals together, as they cool, one will shrink more/faster than the other, thus posing a risk of cracking the newly formed connection as it cools. Looks like I'll be picking up some good ol' steel plate. Thanks Roktoy. Also, I have seen hex nuts attached to frames for side-plate mounting. But, I am not sure if these have been welded or brazed on. Would I be able to braze on some hex nuts to bolt side plates to? |
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11-01-2005, 06:55 AM
| #6 | |
| Dirt Addict Join Date: Jan 2004 Location: Stumblin' thru the parking lot of an invisible 7-Eleven
Posts: 1,053
| Quote:
Jay | |
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