Main hoop main hoop support bars door bars.
Chromoly roll cage wall thickness.
Round tubing 3 4 x 058 chrome moly 8 foot length.
As pointed out above in the nhra regulations the minimum wall thickness on mild steel is more than that of chromoly to achieve the same result and.
The cage we selected comes with.
The cage chassis are one in the same.
But you have to use larger sticks of tubing or more wall thickness and it costs you weight.
You can make a cage out of mild steel dom tubing that is just as safe as a chromoly cage.
X 0 083 wall thickness sold in pre cut tube lenghts of 3 7 or 10 feet for use in roll cages race car chassis roll.
The chromium adds strength hardenability and a level of corrosion resistance to mild carbon steel though chromoly is not as corrosion resistant as stainless steel.
Chromoloy tubing is made from a family of low alloy steels that contain chromium and molybdenum sae 4130 or 4140 along with the iron carbon and other elements.
A nascar cage is built completely differently than an average offroad cage.
Round 4130 chromoly steel tubing 1 63 o d.
All roll bars cages constructed of 4130 chromoly tubing must be welded using an approve tig heliarc process while mild steel must be done with an approved mig wire feed or tig heliarc process.