Continuous Casting

• Twin-Roll Casting from back in 1857 by Bessemer - [1]
• Direct Chill Casting vs. Twin Roll Casting animation - [2]
• Picture of twin roll casting process- [3]
• Nice lecture from IIT Roorkee on 4 types of continuous casting including double roll casting - [4]
• Video from 1969 - [5]
• Wayback content, with authors' names - [6]

Twin Roll Casting

• Dierk Raabe, Max-Planck Inst - [7]
• Patent where sticking to rolls is eliminated by injecting oxygen for aluminum casting - [8]

• The Iron and Steel Institute of Japan - File:Twinrollcasting.pdf

• Evolution of continuous casting proccesses diagram -

from [9]

Also, see cost graph: