Sten Ii
| Name | Sten Ii |
| Type | Steamer |
| GRT | 227 tons |
| Country |  Russian |
| Built | 1901 |
| Builder | P. Wahle & Co., Warkaus |
| Operator | Finska Sten-industri Actieb., Helsingfors |
| History |
U-boat attacks on Steamer Sten Ii
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 3 Jun 1917 | UC 58 (Karl Vesper) | Sunk | Stopped and sunk by opening the scuttles in the Gulf of Bothnia |
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