OSRS Blast Furnace Guide: All Ores & XP Rates Per Hour (2024)

The Blast Furnace is a popular smithing minigame located in Keldagrim. To acquire access to Keldagrim, players must begin the Giant Dwarf quest by speaking with the Dwarven Boatman, who can be found east of Relleka.

The blast furnace has its advantages even though it can be costly: When smithing gold bars, which are unlocked at level 40 smithing, the blast furnace minigame yields the highest smithing experience rates in Old School RuneScape because it can smith your entire inventory of ores at once. Secondly, the Blast Furnace uses only half as much coal as a regular furnace when smithing bars that require coal.

How to get the Blast furnace

The blast furnace is located in Keldagrim, as was previously described. There are several routes to get to the blast furnace:

Grouping teleport to the Blast furnace

The quickest way to travel to the blast furnace is via this teleport, which takes you right up to the entrance. However, you must have made at least one prior trip to the blast furnace before using it.

Mine cart from the Dwarven Mines

The Dwarven mines can be found under the Ice Mountain or in the grand exchange, but you need to travel to the Dwarven mine at least once to unlock this option.

Fairy ring DKS

The Official Worlds for Blast Furnace

There are up to 15 Blast Furnace worlds in Old School RuneScape; using these worlds is highly recommended since there are 5 different dwarven, namely: Dumpy, Stumpy, Pumpy Numpty, and Thumpy, who operate the mechanics of the Blast Furnace so you don’t have to. However, the blast furnace requires a 72,000 coins fee per hour when you use any of these worlds. Here are the worlds designated for the blast furnace minigame:

World 352(Germany), World 355(United States West), World 356 (United States West), World 356 (United States West), World 358 (United Kingdom), World 386 (United States East), World 387 (Australia), World 395 (Germany), World 424 (Australia), World 466 (Germany), World 494 (United States east), World 495 (United States east), World 496 (United States east), World 515 (United Kingdom) and World 516 (United Kingdom)

Requirements of the Blast Furnace

Started the Giant Dwarf Quest

60 smithing or 2,500 coins fee every 10 minutes

Bucket of water or Ice gloves

Stamina potions

Recommended unlocks for the Blast Furnace

Full graceful: Because the Blast Furnace requires a lot of running, wearing weight-reducing clothes, such as the full graceful, will allow you to save money as you would need fewer stamina potions. The full graceful is obtained by purchasing it from Grace in the rogue's den for 260 grace marks.

Coal bag: This can hold up to 27 pieces of coal, it is a reward that can be bought from the Prospector Percy’s Nugget shop for 100 golden nuggets; golden nuggets can be obtained by searching the sack after cleaning pay-dirt in the Motherload mine. This is very useful when mining or smithing because it doubles the quantity of coal you can carry and allows you to carry ores in the coal bag while training at the blast furnace.

Goldsmith Gauntlets: These are one of the three possible rewards from the family crest quest. They can be obtained by bringing magic steel gauntlets and 25,000 to Avan, who can be found in the Alharid mine. The Goldsmith gauntlets boost the amount of experience gained by smelting gold ore into gold bars by 2.5 times what it would be without them.

Ice gloves: These are quite easy to get. They can be obtained as a drop from killing the Ice Queen found under White Wolf Mountain. When worn, they can be used to cool down the bar dispenser. You will be able to click the bar dispenser to collect your bars in the blast furnace, which would save you time used to cool the bar dispenser using a bucket of water.

How to play the Blast Furnace

Placing the Ores and Coal on the Conveyor belt

Playing the blast furnace is quite easy. There is a bank in the blast furnace that can be used to obtain the items you need for the minigame. You would need to place ore and/or coal on the conveyor belt. After a few seconds, the corresponding bars will be in the bar dispenser. Check below to find the ideal method, amount of ore, and coal to produce a particular bar.

Cooling the Bar Dispenser

Because the bar dispenser will require time to cool down before you can take bars, you will need either a bucket of water or a pair of ice gloves to cool it down quickly enough to get the best experience rates. There is a bucket spawn in the blast furnace, and you can use the water pump to fill it with water, which can then be used to cool down the bar dispenser before obtaining the bars, or you can wear the ice gloves and click the bar dispenser to collect the bars even faster.

Various bars can be made in the blast furnace, and they have different methods of making them, which are listed below; most of these bars are quite profitable when made in the blast furnace, while some of them have lower smithing level requirements, it is recommended that you have at least 60 smithing to avoid paying the blast furnace entrance fee. The profits shown below presume you use full graceful to save money on stamina potions; using the methods below without full graceful will significantly lower the mentioned profits.

How to smith iron bars at the Blast Furnace

Smithing Iron bars require 15 smithing, and you only need iron ores. This method is quite profitable because you can produce an average of 5,800 iron bars per hour, earning up to 340,000 coins per hour after the initial costs of iron ores and stamina potions are deducted. Here are the steps to follow:

Withdraw 28 iron ores.
Click on the conveyor belt to deposit the iron ores there
Collect the bars from the bar dispenser after it is cooled using a bucket of water or ice gloves, then repeat the steps starting from step 1.

How to smith Steel bars at the Blast Furnace

At least 30 smithing is required for this method, this method also requires you to have coal and iron as you need 1 coal and 1 iron ore to produce a single steel bar. Follow these steps accordingly to make steel bars:

Fill your inventory with coal and deposit it into the conveyor belt
Head back to the bank, and this time, fill your coal bag with coal and the rest of your inventory with iron ore
First, deposit the iron ore into the conveyor belt, which will form steel bars. Then, empty your coal bag and deposit the coal into your conveyor belt right after.
After your steel bars are cooled using a bucket of water or ice gloves, remove them from the bar dispenser and repeat the steps starting from step 2.

How to smith Mithril bars at the Blast furnace

You need to have up to 50 smithing to be able to smith Mithril bars; the coal bag is highly recommended for this method because two coals are needed to make one mithril bar in addition to a mithril ore; this method provides a great opportunity for players to make good profits; following this method, you can make up to 3,600 mithril bars per hour, and up to 754,200 coins profit per hour after the cost of coal, mithril ore, stamina potion, and 72,000 coins for the coffer have been deducted.

Here are the steps to smelt mithril bars in the blast furnace:

Fill your coal bag with coal and the rest of your inventory with mithril ore then put the mithril ore in the conveyor belt, then empty your coal bag and deposit coal right after.
Head back to the bank and fill your inventory and coal bag with only coal, deposit both the coal in your inventory and the one in your coal bag into the conveyor belt, then retrieve the mithril bars formed in the bar dispenser after cooling it down.
Bank the bars and then fill your coal bag with coal and the rest of your inventory with Mithril ores, deposit both the coal and the mithril ores into the conveyor belt, then retrieve the mithril bars from the bar dispenser.
Repeat the steps starting from step 1.

How to Smith Adamantite bars at the Blast furnace

Adamantite bars can be smelted using 3 coals and 1 Adamantite ore only at the blast furnace and require a smithing level of at least 70. If it is done efficiently, it is possible to make up 2700 bars per hour and make over 900,000 coins per hour after the expenses have been deducted.

Here are the following steps to follow to smith Adamantite bars at the blast furnace:

Start in the bank and fill your inventory with Adamantite ores and your coal bag with coal, then place the Adamantite ores on the conveyor belt, empty your coal bag of coal, and also deposit it right after.
Do two more trips of just coal, filling both your inventory and your coal bag with coal and depositing them in the conveyor, after depositing the second trip, collect your bars from the bar dispenser after it has been cooled using a bucket of water or wearing ice gloves.
Go to the bank,fill your coal bag with coal and the rest of your inventory with Adamantite ore then deposit them at the conveyor belt, and retrieve the Adamantite bars from the bar dispenser.
Repeat the steps starting from Step 1.

How to Smith Runite bars at the Blast furnace

Runite bars can be smith at the Blast Furnace with only 4 coals and one rune bar when done in a regular furnace, a smithing level of 85 is required to smelt runite bars. This method can generate good profits as it is possible to make over 2,000 runite bars per hour, resulting to over 1.2 million GP made per hour after expenses deducted. Here are the steps to follow to smelt Runite bars at the Blast Furnace:

Start in the bank and fill your inventory with runite ores and your coal bag with coal. Place the runite ores in the conveyor belt, empty your coal bag of coal and deposit it right after
Do three trips of just coal, filling your coal bag and the rest of your inventory, and on the final coal trip, after depositing them in the conveyor belt, retrieve the runite bars from the bar dispenser
Go to the bank, withdraw runite ores, fill your coal bag with coal, deposit them in the conveyor belt, and then get the runite bars from the bar dispenser again.
Repeat the steps starting from step 1.

How to smith Gold bars at the Blast Furnace

Smithing gold bars at the blast furnace is the fastest method of training smithing at level 40 smithing, unlike the methods discussed above, this method is expensive to do, costing over 400k GP per hour, this method can be done without the Gold Gauntlets, but it won’t be worth it as you would get only half the experience rate for the same cost.

Coal is not required for this method and coal bags won’t be needed, only gold bars are needed, here are the steps to follow to efficiently smith gold bars at the blast furnace.

Go to the bank and get a full inventory of gold ore, which you should then deposit on the conveyor belt. After depositing the gold ores, ensure you are wearing gold gauntlets so you can receive 1,506 experience.
Instead of waiting for the Gold ores to be smelted into gold bars, run to the bank, fill your inventory with more gold ores, and deposit it into the conveyor belt, that way, you always have bars in the bar dispenser without waiting.
After depositing the gold ores, click the tile next to the bar dispenser, equip ice gloves, and then click the bar dispenser to open an interface.
Hold down space to withdraw the gold bars and equip goldsmith gauntlets to exit the next interface, which says, “You have collected 27 gold bars.” This allows you to get the bonus experience of 1,506. You should click the bank at the same tick to immediately start running their
Deposit the gold bars at the bank and withdraw more gold ore, withdraw a stamina potion dose, and drink it on your way to the conveyor belt to restore energy when needed.
Repeat the starting from step 1

Experience rates per hour for Blast Furnace

At 15 smithing, when smelting iron bars, you should expect 75,000 experience per hour.

At 30 smithing, when smelting steel bars, you should expect 94,500 experience per hour.

The best experience rate is obtained from smelting gold bars at level 40 smithing,

when using the Goldsmith gauntlets, you should expect 380,000 experience per hour.

Without the Goldsmith gauntlets, you should expect 164,000 experience per hour.