Couple quick answears on bars

[nealtovsen@yahoo.com (Neal Tovsen)]

Agreed. I've been doing some reading on that lately,
but I wouldn't say I'm educated enough to pick the
appropriate alluminum alloy.

However, everywhere I looked, 4130 seamless tubing
appeared to be the easy choice for a home-made steel
bar when considering easy weldability, strength,
price, availability, etc...

Neal


--- Joe Doty <Joe.Doty@lcnetwork.com> wrote:
> Also, I don't think it's correct to toss around the
> words "aluminum" and
> "steel".  Pure aluminum is comparatively soft. I'm
> sure the alloys used
> in bike frames, roll cages, car bodies, pistons, and
> wheels are very
> very different.  Just my .02.
> 
> Joe Doty
> IT/Development
> joe@lcnetwork.com 
> 
> > I think I agree! :)
> > 
> > One thing mentioned is the heat-treat of the
> aluminum.
> > I am not a Materials Engineer, but I did do some
> > reading to find out that 4130 cromo will keep it's
> > heat treatment reasonably well during the welding
> > process.
> > 
> > Neal


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