i heard somewhere 11/2" DOM is the best material to use? but just found out most co`s. use ERW or something . is this correct? what is it ,and is it better? any feed back would be appreciated. yhanks Jim
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| Author: | nomojim [ Mon Feb 22, 2010 2:38 pm ] |
| Post subject: | frame material? |
i heard somewhere 11/2" DOM is the best material to use? but just found out most co`s. use ERW or something . is this correct? what is it ,and is it better? any feed back would be appreciated. yhanks Jim
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| Author: | nomojim [ Mon Feb 22, 2010 3:24 pm ] |
| Post subject: | Re: frame material? |
maybe its CRW would that be Cold Rolled wall ? what is 13 gage? |
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| Author: | Odyknuck [ Mon Feb 22, 2010 3:43 pm ] |
| Post subject: | Re: frame material? |
For the difference in cost between the ERW and DOM I would go with DOM. It has twice the strength. |
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| Author: | nomojim [ Mon Feb 22, 2010 3:58 pm ] |
| Post subject: | Re: frame material? |
what is ERW though? i dont know |
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| Author: | turboblue [ Mon Feb 22, 2010 4:32 pm ] |
| Post subject: | Re: frame material? |
nomojim wrote: what is ERW though? i dont know Maybe you mean EWT. Electric Welded Tubing. Has a seam where it is rolled and then welded together forming the tube. |
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| Author: | mjb600 [ Mon Feb 22, 2010 5:16 pm ] |
| Post subject: | Re: frame material? |
electric resistance welded http://www.ioportracing.com/faq/rollbar.htm |
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| Author: | nomojim [ Mon Feb 22, 2010 5:22 pm ] |
| Post subject: | Re: frame material? |
thank you , now i got it .so why do most co.s use ERW .cost savings ? can it really be that significant? does any one know if a chassis builder uses DOM. thanks Jim |
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| Author: | hillaholic [ Mon Feb 22, 2010 5:33 pm ] |
| Post subject: | Re: frame material? |
From what I understand dom tubing is a second step to erw. So basicly they take erw and draw it through a mandrel to make dom for tighter tolerances. Here is a little clip on how its done http://www.steeltubeinstitute.org/process/Dom_Process.html Here is some more info about it http://www.pirate4x4.com/forum/showthread.php?s=&threadid=12322 |
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| Author: | A. Cole [ Mon Feb 22, 2010 9:48 pm ] |
| Post subject: | Re: frame material? |
just about all companies use electro weld. Berrien, beeline..etc. If its a factory frame and not built for race its most likely electro weld. |
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