# Tube Chassis Welders?

**URL:** <https://forums.speedlife.net/t/tube-chassis-welders/187530>\
**Category:** PittSpeed Off Topic\
**Created:** [January 20, 2007, 10:45am UTC](https://forums.speedlife.net/t/tube-chassis-welders/187530 "2007-01-20T10:45:41Z")\
**Posts on this page:** 1\
**Showing post:** 18

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**Author:** ![Fiero](https://avatars.discourse-cdn.com/v4/letter/f/9d8465/32.png) [@Fiero](https://forums.speedlife.net/u/Fiero)\
**Post date:** [February 7, 2007, 7:59pm UTC](https://forums.speedlife.net/t/tube-chassis-welders/187530/18 "2007-02-07T19:59:43Z")

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> [@FS: DSM PERFORMANCE PARTS](https://forums.speedlife.net/t/fs-dsm-performance-parts/27797/7):
>
> Good experiment. :bigthumb:  
> How are you determining that specimen 3 fails in bending?  
> Looks like you are doing all axial tests.

We saw locational bending stresses on #3 because the tubes were welded together slightly bent (1-3 degrees, you can notice it in the photos). So when the tube was pulled axially it was also bending as it tried to straighten out.

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