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Re: Using 4130 Steel for Swaybars. (more) (archive)

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Posted by pikachu! on October 06, 2000 at 23:39:19:

In Reply to: Using 4130 Steel for Swaybars. (more) posted by Bob ///M3 on October 06, 2000 at 21:40:36:

it's just a matter of how much strength is needed in a particular part. loads on that winston cup sway bar and quite different than what a racing dynamics sway bar for your bmw might see, so why over design?

also, availability of bar stock in various sizes is a consideration. warehouses will not stock a wide range of bar sizes for any single grade of steel, as there is no need. for example, 4340 steel is pratically suitable for any load bearing component on an automobile, but no warehouse will stock it in small diameter sizes, such as for sway bars, as you could accomplish the same thing with a cheaper grade in small diameter bar applications. a warehouse would only carry larger diameter stocks on the higher strength steels. so there's also the cost/quantity factor coming into play. does that make sense? i don't explain things very well.

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