12.8 cm/45 SK C/34 (128 mm)
The 12.8 cm/45 SK C/34 is a German naval cannon.
Vehicles equipped with this weapon
Although the 128 mm SK C/34 may not pack as much of a punch as its 150 mm rivals, it makes up for it with its rather quite impressive reload speed, being able to fire 18 rounds per minute on average with a full ready-rack, and 15 rounds per minute otherwise.
The 128 mm SK C/34 can fire three types of ammunition.
The default shell is the Sprgr. Kpf.Z high explosive shell with 1.905 kg of TNT equivalent and a muzzle velocity of 830 m/s. It is most effective against small motor boats, as it has a high chance of causing hull-break.
The next shell is the Sprgr. Bd.Z, a base-fused HE shell with more penetration in most cases but with less explosive mass, only 1.4 kg of TNT equivalent and the same muzzle velocity of 830 m/s. It is most effective against armoured targets, such as other destroyers.
The last shell is the Sprgr. Zt.Z, it has 1.905 kg of TNT equivalent and has a time-fuse to detonate after an automatically set amount of time. It is most effective against airplanes and slower gun motor boats.
|Ammunition|| Type of
|Penetration @ 0° Angle of Attack (mm)|
|1,000 m||2,500 m||5,000 m||7,500 m||10,000 m||15,000 m|
|Sprgr. L/4.4 Kpf.Z||HE||24||24||24||24||24||24|
|Sprgr. L/4.4 Bd.Z||HE||59||50||38||30||24||18|
|Sprgr. L/4.4 Zt.Z||HE-TF||24||24||24||24||24||24|
|Ammunition|| Type of
| Fuse delay
| Fuse sensitivity
| Explosive mass
(TNT equivalent) (kg)
|Sprgr. L/4.4 Kpf.Z||HE||830||28||0||0.1||1.91||79°||80°||81°|
|Sprgr. L/4.4 Bd.Z||HE||830||28||0.015||5||1.4||79°||80°||81°|
|Sprgr. L/4.4 Zt.Z||HE-TF||830||28||0||0.1||1.91||79°||80°||81°|
Comparison with analogues
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Usage in battles
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Pros and cons
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|Germany naval cannons|
|15 mm||MG 151|
|20 mm||2 cm/65 C/30 · 2 cm/65 C/38 · 2 cm/65 Flakzwilling 38 · 2 cm/65 Flakvierling 38 · MG 151/20|
|37 mm||FlaK-Lafette C/36 · 3.7 cm FlaK-Lafette LM/42 · SK C/30 · FlaK.36 · FlaK43|
|40 mm||40 mm/70 MEL58 · Bofors Flak 28 · Bofors L/70 model 1948|
|52 mm||52 mm/55 SK L/55|
|88 mm||8.8 cm/76 SK C/32 · S.K.C/35 · FlaK.18 · Flak.36 · 88 mm/45 AA SK L/45 · 88 mm/45 casemate SK L/45|
|100 mm||100 mm/55 MLE model 53|
|105 mm||SK C/32 · SK C/33 AA|
|128 mm||12.8 cm/45 SK C/34|
|150 mm||150 mm/45 SK L/45 · 15 cm/48 KC/36 · 15 cm/55 SK C/28 · 15 cm/60 SK C/25|
|203 mm||20.3 cm/60 SK C/34|
|283 mm||283 mm/45 SK L/45 · 283 mm/52 SK C/28 · 283 mm/54,5 SK C/34|
|305 mm||305 mm/50 SK L/50|
|380 mm||38 cm SK L/45|
|23 mm||ZU-23 (USSR)|
|30 mm||AK-230 (USSR)|
|37 mm||V-11 (USSR)|
|76 mm||76 mm/62 OTO-Melara Compact (Italy)|
|100 mm||100 mm/56 B-34 (USSR)|