** Steam

*** Burning Boxes

| Item          | HU/t | Efficiency |
|---------------+------+------------|
| Lead          |   16 | 50         |
| Bismuth       |   20 | 45         |
| Bronze        |   24 | 75         |
| Invar         |   16 | 100        |
| Steel         |   32 | 70         |
| Dense Lead    |   64 | 50         |
| Dense Bismuth |   80 | 45         |
| Dense Bronze  |   96 | 75         |
| Dense Invar   |   64 | 100        |
| Dense Steel   |  128 | 70         |

*** Boiler Tank (HU to Steam)

| Item           | HU/t Input | Steam/t Output |
|----------------+------------+----------------|
| Lead           |         16 |             32 |
| Bismuth        |         20 |             40 |
| Bronze         |         24 |             48 |
| Invar          |         16 |             32 |
| Steel          |         32 |             64 |
| Strong Lead    |         64 |            128 |
| Strong Bismuth |         80 |            160 |
| Strong Bronze  |         96 |            192 |
| Strong Invar   |         64 |            128 |
| Strong Steel   |        128 |            256 |

*** Steam Engine (Steam to KU)

| Item          | Steam/t Input | KU/t Output |
|---------------+---------------+-------------|
| Lead          |            53 |           8 |
| Tin           |            50 |          10 |
| Bronze        |            48 |          12 |
| Brass         |            48 |          12 |
| Invar         |            25 |           8 |
| Steel         |            64 |          16 |
| Strong Lead   |           213 |          32 |
| Strong Tin    |           200 |          40 |
| Strong Bronze |           192 |          48 |
| Strong Brass  |           192 |          48 |
| Strong Invar  |           100 |          32 |
| Strong Steel  |           256 |          64 |

*** Steam Turbine (Steam to RU)

| Item   | Steam/t Input | RU/t Output |
|--------+---------------+-------------|
| Bronze | 48            | 16          |
| Brass  | 72            | 24          |
| Invar  | 96            | 32          |
| Steel  | 192           | 64          |