Steel bars are bars made using steel. Steel Bars are crafted the same way the same way as iron bars and glass panes except using steel instead of iron or glass blocks. When steel is compared to iron, they have a brighter color than iron bars. Steel bars, when compared to iron, are much harder than iron. They can be found in strongholds like iron bars.
S - Steel, 0 - none
I - Iron Bars, C - Coal, S - Steel Bars