Caliber,

 mm

Type

Year

Ships used on

Full

mass, kg

Length, kg

Explosive

charge

Explosive

mass, kg

Fire

range, km

Speed,

 kts

Heading

 system

Max depth, m

450

45cm M12D, Toulon

1914

surface ships

1012

5.75

TNT

145

8

28

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450

45cm M18, Toulon

1920

submarines

1020

5.88

TNT

145

3

34

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