Roll Cage Chromoly Or Mild Steel

While you probably won t stress them out like we do i have seen them break while riding in the trailer.

Roll cage chromoly or mild steel.

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. Crome molly i have mild steel in my own car and all the dragsters are 4130 molly. Write or wrong thinking. My hp book on metal working and fabrication said its not good to use chromoly for making roll cages as when its involved in an impact it can break off into a sharp point.

I know that the cm is lighter than mild steel of the same diameter but harder to. If the budget allows it and there is time cline always prefers to tig weld a cage. I asked wolfe racecraft what the weight difference was between a 10 point mild steel cage and a 10 point chromoly cage. That s not alot in my opinion.

Grinding and plating of the welds is prohibited so keep these points in mind if you re a do it yourselfer. A quick guide to what. 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. For 10 second and slower cars that only need roll bars the size minimum is 1 3 4 o d.

I have a dragster frame and i don t know what it is made of. If anyone has a viable answer please let me know. It s nice but not the nicest i ve seen. A mild steel roll cage.

The guy that caged my aspen told me the civic eg roll cage uk tube by tube. X 118 mild steel or 083 4130 chromoly tubing so this is another aspect to take into play when building or expanding a roll cage as your vehicle gets faster. I thought i wanted a chromoly cage for a weight savings but now thinking about mild steel. Roll cage question chromoly vs mild steel.

I need to put in a 8 50 cert. The only real reason to use chromoly in this application is a weight savings. Compared to that the cost of upgrading mild steel dom tubing to chromoly isn t that big of a deal cline says. If it s chromoly then i just have to replace a couple of struts and add more to my roll cage to bring it to specs.

I bought a mild steel 10 point cage from s w racecars. If it is mild steel then i have to rebuild the whole thing. The dragsters usually have to be backhalved after so many laps. As for the price it depends on who build the cage for you.

The tubing size requirement on 8 50 cages are 1 5 8 inch x 118 inch mild steel or 083 inch chromoly. I m cutting out our 8 point 1 3 4 roll bar out of the 80 camaro. This would be in a 2nd about bolt in cages weld in cages roll on another forum the question of cost and weight came up over a chromoly rollcage vs. Cage mild steel vs.

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