180 mm/60 B-1-K (180 mm)

Description

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Vehicles equipped with this weapon

• Krasny Kavkaz

General info

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Available ammunition

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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
180 mm OF-32	HE	60	60	60	60	60	60
180 mm B-32	APCBC	424	386	331	285	246	191
180 mm PB-32	SAPCBC	206	188	161	138	120	93
180 mm ZS-32	HE-TF	58	58	58	58	58	58

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%
180 mm OF-32	HE	920	97.5	0	0.1	7.9	79°	80°	81°
180 mm B-32	APCBC	920	97.5	0.01	9	2.49	48°	63°	71°
180 mm PB-32	SAPCBC	920	97.5	0.01	9	7	48°	63°	71°
180 mm ZS-32	HE-TF	920	97.5	0	0.1	7.52	79°	80°	81°

Comparison with analogues

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Usage in battles

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Pros and cons

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Pros:

Cons:

History

After the Russian Revolution, the Soviet Union was left to build its navy by finishing the construction of the unfinished ships left in dry dock by the Russian Empire when the civil war first broke out. One of these ships was the Admiral Nakhimov-class cruiser Admiral Lazarev (renamed by the Soviets as the Krasny Kavkaz) which they wanted to arm with 203 mm (8-inch guns). However, these guns were too large to mount on a small cruiser, so they instead had to mount 180 mm/60 B-1-K Pattern 1931 guns which were 7.1-inches in caliber. The B-1-K models were made from relined Imperial Russian Navy Pattern 1905 203 mm guns which originated from a Vickers design made for export. On the Krasny Kavkaz, the guns were mounted in four MK-1-180 single-gun turrets. However, the guns had an abnormally high muzzle velocity of 3,000 feet per second and therefore had a short barrel life of 50-77 rounds requiring them to reduce the size of the propellant charge. The Krasny Kavkaz first saw action in World War II providing gunfire support during the Siege of Odessa in 1941 before participating in the Siege of Sevastopol where she once again used her guns to provide fire support for Soviet forces on the Crimean Peninsula most notably during the Kerch-Feodosiya Offensive in December 1941. However, the Krasny Kavkaz</nowiki>'s wartime career ended in October 1943 when Stalin ended the deployment of naval units without his express permission after the loss of three destroyers off the Taman Peninsula. The Krasny Kavkaz became a target ship in 1947 and was sunk in 1952 during a test with anti-ship missiles. The Krasny Kavkaz was the only ship to mount the B-1-K guns, the related B-1-P saw service on the Kirov-class but were built from the ground up as new 180 mm guns instead of being relined like the B-1-K.

Media

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See also

• 180 mm/57 B-1-P (180 mm) - related 180 mm naval cannon design

External links

• [NavWeaps] 180 mm/60 (7.1") B-1-K Pattern 1931

USSR naval cannons
20 mm	ShVAK
25 mm	2M-3
30 mm	AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm	37 mm/67 70-K · V-11
45 mm	45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm	AK-725
75 mm	75 mm/50 Canet patt.1892
76 mm	34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm	85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm	100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm	Pattern 1911
120 mm	120 mm/50 pattern 1905
130 mm	130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm	152 mm/57 B-38
180 mm	180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm	12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm	14-inch/52 pattern 1913 (356 mm)
	Foreign:
40 mm	2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm	3 pdr QF Hotchkiss (Britain)
76 mm	76 mm/40 Ansaldo mod.1917 (Italy)
88 mm	SK C/30 (Germany)
120 mm	120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm	152/53 mm O.T.O. Mod.1929 (Italy)
320 mm	320 mm/44 Ansaldo model 1934 (Italy)