| Steel mill | |||
|---|---|---|---|
| |||
| Details | |||
Type |
Factories | ||
min/max |
Level 1 | Level 12 | |
Load Speed |
1x | 2x | |
Capacity |
480 | 740 | |
Platforms |
1 | 2 | |
Auto-supply |
-0% | -15% | |
| Required Goods | |||
 Iron Bar |
 Steel Bars |
 Aluminium
| |
| Produced Goods | |||
 Nails |
 Superstructure |
 Cans
| |
The Steel mill is producing Nails, Superstructure and Cans. They are used to be delivered directly to towns.
This buildings is unlocked at Rank 25. If you are missing this building check out Island.
Produced Goods[ | ]
Nails[ | ]
Nails are used to be delivered direct to cities.
1 Nail is made of 2 Iron Bar
Nails = 2x 
Iron Bar
Superstructure[ | ]
Superstructures are used to be delivered direct to cities.
1 Superstructure is made of 3 Steel Bars
Superstructure = 3x 
Steel Bars
Cans[ | ]
Cans are used to be delivered direct to cities or to build Canned Meat, Canned Tomatoes or Canned Fish in the Cannery
1 Can is made of 2 Aluminium
Cans = 2x 
Aluminium
Upgrades[ | ]
As with any raw material source or factory, you start at level 1. The maximum level is 12.
Upgrades can be done on two ways:
- Deliver an amount x of one or more goods and pay a fee of Coins,[1][2] or
- Upgrade instantly by using Transit Notes.
| Level | Load Speed |
Capacity | Platforms | Auto- supply |
Movable | Cost | Deliveries | or pay direct |
|---|---|---|---|---|---|---|---|---|
| 1 | 1x | 240 | 1 | -0% | No | n/a | ||
| 2 | 1.3x | 240 | 1 | -0% | No | 280,000 Coins | See Note [1] | See Note [2] |
| 3 | 1.3x | 240 | 1 | -0% | No | 470,000 Coins | ||
| 4 | 1.3x | 300 | 1 | -5% | No | 1,100,000 Coins | ||
| 5 | 1.5x | 300 | 1 | -5% | No | 1,600,000 Coins | ||
| 6 | 1.5x | 400 | 1 | -5% | No | 2,100,000 Coins | ||
| 7 | 1.5x | 400 | 2 | -5% | No | 4,500,000 Coins | ||
| 8 | 1.5x | 400 | 2 | -10% | No | 7,000,000 Coins | ||
| 9 | 2x | 400 | 2 | -10% | No | 11,000,000 Coins | ||
| 10 | 2x | 500 | 2 | -10% | No | 17,000,000 Coins | ||
| 11 | 2x | 500 | 2 | -15% | No | 41,000,000 Coins | ||
| 12 | 2x | 500 | 2 | -15% | Yes | 118,000,000 Coins | ||
- ↑ 1.0 1.1 The values for the "Deliveries" will be computed randomly for every user based on the Facilities he/she discovered on the island at the moment of the upgrade.
- ↑ 2.0 2.1 The required Transit Notes are calculated based on the required goods and Coins (Item value).
Evolution of Steel mill
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| Level 1, 2 | Level 3-11 | Level 12 |