12.8 cm/45 SK C/34 (128 mm)

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Description

The 12.7 cm SK C/34 is a German 127 mm naval cannon.

Vehicles equipped with this weapon

General info

Although the 12.7 cm 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.

Available ammunition

The 12.7 cm 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.

Penetration statistics
Ammunition Type of
warhead
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
Shell details
Ammunition Type of
warhead
Velocity
(m/s)
Projectile
mass (kg)
Fuse delay
(s)
Fuse sensitivity
(mm)
Explosive mass
(TNT equivalent) (kg)
Ricochet
0% 50% 100%
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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History

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Media

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See also

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External links

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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
30 mm  MK103/38
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
120 mm  L45
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
  Foreign:
23 mm  ZU-23 (USSR)
25 mm  2M-3 (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)