Blast Furnace
SmithingThe Blast Furnace halves coal to 1 per steel bar. 17.5 XP/bar. Up to ~4,650-5,450 bars/hr with a coal bag. Plus the 72,000 gp/hr coffer fee on the Blast Furnace worlds.
Fill a target level to plan the whole grind, or leave it blank to use the hours above.
Smithing XP / hr87,500
Profit / hr1.66m
GP / XP+19.01
Blast Furnace coffer / hr-72.0k
In 1 hour
Bars5,000
Smithing XP87,500
Profit1.66m
Blast Furnace coffer-72.0k
Materials
 Iron ore | 5,000 | 58 | -290.0k |
 Coal | 5,000 | 124 | -620.0k |
Produces (expected)
Value: 2,645,000
Rates are per hour; totals are for the basis above.Profit includes the 72,000 gp/hr blast furnace coffer over the time taken.Below level 60 Smithing the foreman fee (15,000 gp/hr) is added too, once you enter your level. Prices are live from the Grand Exchange.
Game data on this page comes from the OSRS Wiki: Blast Furnace, used under CC BY-NC-SA 3.0.