Difference between revisions of "20-K (45 mm)"

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== Description ==
 
== Description ==
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''Write an introduction to the article in 2-3 small paragraphs. Briefly tell about the history of the devekopment and combat using of the weaponry and also about it's features. Make a air or ground vehicles list on which this weapon is installed in our game.''
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<!-- ''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.'' -->
 +
The '''45 mm 20-K''' is a Soviet tank cannon, equipped on a number of rank I tanks. It is a decent gun for its rank, and can still be useful in uptiers due to its high-penetrating APCR shell.
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
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<!-- ''List out vehicles that are equipped with the weapon.'' -->
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{{Navigation-Start|Vehicles equipped with this weapon}}
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{{Navigation-First-Line|'''Light tanks'''}}
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{{Navigation-Line|BT-5}}{{Specs-Link|ussr_bt_5}}{{-}}{{Specs-Link|ussr_rbt_5}}
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{{Navigation-Line|BT-7}}{{Specs-Link|ussr_bt_7_1937}}{{-}}{{Specs-Link|ussr_bt_7_1937_td}}{{-}}{{Specs-Link|ussr_bt_7_m}}
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{{Navigation-Line|T-26}}{{Specs-Link|ussr_t_26_1940}}{{-}}{{Specs-Link|ussr_t_26_1940_1st_GvTBr}}{{-}}{{Specs-Link|cn_t_26_1940}}{{-}}{{Specs-Link|cn_t_26_no531}}{{-}}{{Specs-Link|ussr_t_26E}}{{-}}{{Specs-Link|sw_vickers_mk_e_45}}
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{{Navigation-Line|Other}}{{Specs-Link|ussr_ba_11}}{{-}}{{Specs-Link|ussr_t_50}}{{-}}{{Specs-Link|ussr_t_70_1942}}{{-}}{{Specs-Link|ussr_t_80}}{{-}}{{Specs-Link|ussr_t_126sp}}
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{{Navigation-First-Line|'''Heavy tanks'''}}{{Specs-Link|ussr_smk}}{{-}}{{Specs-Link|ussr_t_35}}
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{{Navigation-End}}
  
 
== General info ==
 
== General info ==
 
''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
 
''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
  
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=== Available shells ===
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=== Available ammunition ===
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''Describe the shells that are available for the cannon and their features and purpose. If it iconcerns autocanons or machine guns, so write about different ammo belts and what is inside (which types of shells).''
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<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
 +
* '''BR-240:''' APHEBC - This should be the main ammo type that you use, as it deals the most damage because of its explosive filler.
 +
* '''BR-240P:''' APCR - This shell should only be used against more heavily armoured targets that the BR-240 cannot penetrate.
 +
* '''BR-240SP:''' APBC - It is recommended to avoid this kind of shell as it is inferior in most aspects compared to the BR-240P ammo.
 +
* '''O-243:''' HE - Carry only very few of these. They are useless against anything other than unarmoured AA vehicles.
 +
 
 +
{{:{{PAGENAME}}/Ammunition|BR-240, BR-240P, BR-240SP, O-243}}
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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''Give a comparative description of cannons/machine guns, that have firepower equal to these type of weapons.''
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''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.''
  
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== Usage in the battles ==
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== Usage in battles ==
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''Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against the main opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.''
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<!-- ''Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.'' -->
 +
The 45 mm 20-K is a decent gun for its rank. In downtiers, it is a very effective and lethal weapon, and can take out most tanks with 1-2 shots. However, in uptiers, it will be more difficult to take out tanks because of the relatively small calibre. However, this doesn't mean that you are useless. The APCR round is capable of penetrating most rank II vehicles, however the post-penetration damage is poor due to the lack of an explosive filler.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
''Summarize and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.''
+
<!-- ''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.'' -->
  
 
'''Pros:'''
 
'''Pros:'''
−
*
+
* Decent penetration
 +
* Short reload time
 +
* Has access to APCR with 104 mm of penetration at point-blank
 +
* Shells have a medium-high velocity, makes aiming easier
 +
* APHEBC are some of the best at rank 1
  
 
'''Cons:'''
 
'''Cons:'''
−
*
+
* Due to the small calibre, post-penetration effects are bad
 +
* APHEBC rounds will have trouble against heavier foes
  
−
== Historical part ==
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== History ==
−
''Examine the history of the creation and combat usage of this weapon. If the historical reference turns out to be big one, take it into a separate article and add a link to it by using the "main" template. In the end be sure to include references to sources.''
+
''Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''
  
 
== Media ==
 
== Media ==
−
''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''
+
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
  
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== Read also ==
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== See also ==
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''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example,''
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<!-- ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
* ''reference to the article about the variant of the cannon/machine gun;''
 
* ''reference to the article about the variant of the cannon/machine gun;''
−
* ''references to approximate analogues by other nations and research trees.''
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* ''references to approximate analogues by other nations and research trees.'' -->
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''ETC.''
+
 
 +
* Germany - [[KwK L/42 (50 mm)|50 mm KwK L/42]]
 +
* USA - [[M6 (37 mm)|37 mm M6]]
 +
* Great Britain - [[Ordnance QF 6-pounder Mk.III (57 mm)|57 mm OQF 6-pounder Mk.III]]
  
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== Sources ==
+
== External links ==
 
''Paste links to sources and external resources, such as:''
 
''Paste links to sources and external resources, such as:''
−
* ''topic on the official game forum''
+
* ''topic on the official game forum;''
−
* ''page on the Wikipedia''
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* ''other literature.''
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* ''page on aircraft or gorund forces encyclopedia''
 
−
* ''other literature''
 
  
 
{{USSR tank cannons}}
 
{{USSR tank cannons}}
 +
{{China tank cannons}}
 +
{{Sweden tank cannons}}
  
 
[[Category:Tank cannons]]
 
[[Category:Tank cannons]]

Latest revision as of 19:59, 9 October 2023

Description

The 45 mm 20-K is a Soviet tank cannon, equipped on a number of rank I tanks. It is a decent gun for its rank, and can still be useful in uptiers due to its high-penetrating APCR shell.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Light tanks 
BT-5  BT-5 · RBT-5
BT-7  BT-7 · BT-7 TD · BT-7M
T-26  T-26 · T-26 (1st Gv.T.Br.) · ␗T-26 · T-26 No.531 · T-26E · ▄T-26E
Other  BA-11 · T-50 · T-70 · T-80 · T-126
Heavy tanks  SMK · T-35

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available ammunition

  • BR-240: APHEBC - This should be the main ammo type that you use, as it deals the most damage because of its explosive filler.
  • BR-240P: APCR - This shell should only be used against more heavily armoured targets that the BR-240 cannot penetrate.
  • BR-240SP: APBC - It is recommended to avoid this kind of shell as it is inferior in most aspects compared to the BR-240P ammo.
  • O-243: HE - Carry only very few of these. They are useless against anything other than unarmoured AA vehicles.

Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
BR-240 APHEBC 70 67 58 47 39 32
BR-240P APCR 94 87 64 43 29 20
BR-240SP APBC 73 70 60 50 41 34
O-240 HE 4 4 4 4 4 4
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
BR-240 APHEBC 760 1.43 1.2 9 29.26 48° 63° 71°
BR-240P APCR 985 0.85 - - - 66° 70° 72°
BR-240SP APBC 757 1.43 - - - 47° 60° 65°
O-240 HE 335 2.14 0.1 0.4 118 79° 80° 81°

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

The 45 mm 20-K is a decent gun for its rank. In downtiers, it is a very effective and lethal weapon, and can take out most tanks with 1-2 shots. However, in uptiers, it will be more difficult to take out tanks because of the relatively small calibre. However, this doesn't mean that you are useless. The APCR round is capable of penetrating most rank II vehicles, however the post-penetration damage is poor due to the lack of an explosive filler.

Pros and cons

Pros:

  • Decent penetration
  • Short reload time
  • Has access to APCR with 104 mm of penetration at point-blank
  • Shells have a medium-high velocity, makes aiming easier
  • APHEBC are some of the best at rank 1

Cons:

  • Due to the small calibre, post-penetration effects are bad
  • APHEBC rounds will have trouble against heavier foes

History

Examine the history of the creation and combat usage of the weapon in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


USSR tank cannons
20 mm  TNSh
30 mm  2A42 · 2A72 · AG-30
45 mm  20-K
57 mm  AU-220 · Ch-51M · ZIS-2 · ZIS-4 · ZIS-4M
73 mm  2A28
76 mm  1902/30 · 3-K · D-56TS · F-32 · F-34 · F-96 · KT-28 · L-10 · L-11 · ZIS-3 · ZIS-5
85 mm  D-5S · D-5T · D-58 · D-70 · F-30 · ZIS-S-53
100 mm  2A48 · 2A70 · D-10S · D-10T · D-10T2S · D-50 · LB-1 · S-34
107 mm  ZIS-6
115 mm  U-5TS
122 mm  A-19 · D-25-44T · D-25S · D-25T · D-25TS · D-30T · D-49 · M-30 · M-62-T2S
125 mm  2A26 · 2A46 · 2A46M · 2A46M-1 · 2A46M-4 · 2A46M-5 · 2A46MS · 2A75 · D-126
130 mm  B-13 · C-70 · M-65
152 mm  2A33 · LP-83 · M-10T · M-64 · M-69 · ML-20S
  Foreign:
37 mm  M5 (USA)
50 mm  KwK L/42 (Germany)
57 mm  6pdr OQF Mk.III (Britain) · M1 (USA)
75 mm  KwK42 (Germany) · M2 (USA)
76 mm  M1 (USA)
85 mm  Type-62-85-TC (China)

China tank cannons
30 mm  ZPL02 · ZPZ02
73 mm  Type 86
76 mm  M32K1
85 mm  Type 56 · Type 63
100 mm  PTP86 · Type 59 · Type 69 · Type 69-II · ZPL04
105 mm  88B-105T · Type 83 · WMA301 · ZPL94 · ZPL98A
120 mm  122TM · PTZ89
125 mm  Type 88C · Type 99A · ZPT98
130 mm  PL59A Gai
152 mm  PL66 Gai
  Foreign:
20 mm  KwK30 (Germany)
37 mm  M6 (USA)
45 mm  20-K (USSR)
47 mm  Type 1 (Japan)
57 mm  Type 97 (Japan) · ZIS-2 (USSR)
75 mm  M2 Howitzer (USA) · M3 (USA) · M6 (USA)
76 mm  D-56T (USSR) · F-34 (USSR) · M1 (USA) · M7 (USA) · ZIS-3 (USSR)
85 mm  ZIS-S-53 (USSR)
90 mm  M3 (USA) · M41 (USA)
100 mm  D-10S (USSR)
105 mm  M68 (USA) · M68A1 (USA)
115 mm  U-5TS (USSR)
122 mm  A-19 (USSR) · D-25T (USSR)
152 mm  ML-20S (USSR)

Sweden tank cannons
20 mm  Akan m/47D · Pvlvkan m/40
37 mm  kan m/38
40 mm  akan m/70B
57 mm  Pvkan m/43
75 mm  kan m/02 · kan m/41 · kan Strv 74 · lvkan m/37 A · pvkan m/43
84 mm  kan Strv 81
90 mm  kan Ikv 91
105 mm  kan Bofors · kan Ikv · kan m/44 · kan Strv 101 · L74
120 mm  automatkanon · CTG · kan Strv 121 · kan Strv 122
150 mm  fsthaub m/02
155 mm  kan m/60
  Foreign:
35 mm  Bushmaster 3 (USA)
73 mm  2A28 (USSR)
75 mm  M3 (USA)
88 mm  KwK43 (Germany)
105 mm  L/50 (Belgium) · L7A3 (Germany)
125 mm  2A46M-1 (USSR)
155 mm  CN98 (South Korea)
  Finland
37 mm  Psv.K/36
114 mm  Psv.H/18
  Foreign:
30 mm  Bushmaster 2 Mk.44 (USA)
45 mm  20-K (USSR)
75 mm  KwK40 L48 (Germany)
76 mm  D-56TS (USSR) · F-34 (USSR) · L-10 (USSR)
77 mm  OQF Mk.II (Britain)
84 mm  20pdr OQF Mk.I (Britain)
85 mm  ZIS-S-53 (USSR)
100 mm  D-10T (USSR) · D-10T2S (USSR)
105 mm  L/50 (Belgium)
120 mm  Rh120 L/44 (Germany) · Rh120 L/55 (Germany)
125 mm  2A46 (USSR)

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