Steel roller coaster - Coasterpedia - The Roller Coaster and Flat Ride Wiki
What's a a historic coaster that you're sad is defunct? [R2000] was the first confirmed coaster to use tubular steel track. It operated sporadically from 1956 to 2007 before disappearing. : r/rollercoasters
R2000] Manufactured in 1956, it is possibly the first coaster to use tubular steel track : r/rollercoasters