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.
Chromoly vs mild steel roll cage.
And wall thickness a chrome moly tube weighs the same as a mild steel tube.
If it is mild steel then i have to rebuild the whole thing.
Cage mild steel vs.
A mild steel roll cage.
If anyone has a viable answer please let me know.
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.
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.
Crome molly i have mild steel in my own car and all the dragsters are 4130 molly.
While you probably won t stress them out like we do i have seen them break while riding in the trailer.
As for the price it depends on who build the cage for you.
Given the same o d.
The dragsters usually have to be backhalved after so many laps.
The guy that caged my aspen told me the civic eg roll cage uk tube by tube.
Chrome moly is the abbreviation for chromium molybdenum and it is an alloy steel.
It was designed for and is used extensively in the aircraft industry due to it s high tensile strength and torsional load ratings.
If the budget allows it and there is time cline always prefers to tig weld a cage.
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.
A quick guide to what.
I have a dragster frame and i don t know what it is made of.