Chromoly Vs Mild Steel Roll Cage

Crome molly i have mild steel in my own car and all the dragsters are 4130 molly.

Chromoly vs mild steel roll cage.

Chrome moly is the abbreviation for chromium molybdenum and it is an alloy steel. In today s chassis it is common to find mild steel erw tubes high strength steels hss such as dom and 4130 chrome moly chromoly and advanced high strength steels ahss. 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. Understanding the differences in the common steel tubes used in tube chassis and roll cages is the key to building not only a fast car but that one that keeps you safe.

If anyone has a viable answer please let me know. As for the price it depends on who build the cage for you. Given the same o d. While you probably won t stress them out like we do i have seen them break while riding in the trailer.

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. Cage mild steel vs. Compared to that the cost of upgrading mild steel dom tubing to chromoly isn t that big of a deal cline says. If the budget allows it and there is time cline always prefers to tig weld a cage.

And wall thickness a chrome moly tube weighs the same as a mild steel tube. A quick guide to what. It was designed for and is used extensively in the aircraft industry due to it s high tensile strength and torsional load ratings. The guy that caged my aspen told me the civic eg roll cage uk tube by tube.

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. A mild steel roll cage. 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.