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Ship:Z-31

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{{#vardefine:ship_name|Z-31}}
<!-- Add |Ship=code for manual override -->
__NOTOC____NOEDITSECTION__
{{WoWs_Ship
|Promo=
|Anno=<!-- you can write below short description for the ship. it will replace default one. -->
The lead ship is part of a subseries of the Type 1936A destroyers laid down after the outbreak of World War II (Type 1936A (Mob)). She carried 150 mm main battery guns.


<div class="b-description gw-frame-1"><div class="b-description-img b-description-img__indent b-description-img__single"><div style="width:160px; height:102px; opacity:.5; border-radius:2px; position:absolute; left:0; top:0; z-index:1; -webkit-transition:all 0.2s ease-out 0.1s; transition:all 0.2s ease-out 0.1s;">[[File:Wows_anno_flag_germany.png|160px]]</div><div class="l-description-img_class"><span class="b-description-img_type b-description-img_type__Destroyer b-description-img_type__Destroyer-Tech Tree"></span><span class="b-description-img_class">VII</span></div><div class="b-description-img_vehicle">[[File:Ship_PGSD207_Z_31.png|160px|link=|left]]</div><div class="l-description-img_price"><span class="b-description-img_price b-description-img_price__gold"><span title="''{{#var:ship_name}}'' was first released for sale on DD Month YYYY.">5,700,000</span></span></div></div><p>[[Ship:{{#var:ship_name}}|{{#var:ship_name}}]] &mdash; Germany Tech Tree Tier&nbsp;VII [[Ship:Destroyer|Destroyer]].</p><p>In 1940 and 1941, several Type 1936B destroyers were laid down again. The new Type 1936A(Mob) was equipped with 150 mm guns. Z-31, the lead ship, entered service in April 1942. The destroyer participated in the Battle of the Barents Sea against the JW-51B convoy. In 1943, she participated in the raid on Spitsbergen, and in 1944, she was involved in the transportation of German troops from Finland to Norway. In January 1945, the ship was heavily damaged in a battle with British cruisers. After the war, she was transferred to France and renamed Marceau.</p><p> </p></div>


===Pros===
* Pro 1
* Pro 2


===Cons===
* Con 1
* Con 2


''{{#var:ship_name}}''  was first available during Update 0.10.5 on 17th Jun 2021.


|Performance=<!-- write text about performance in battles below -->
==Ship Stats==
<!--
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>Hull Information</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>
PERFORMANCE SECTION GUIDELINES
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
1.  Write a brief intro paragraph of 1-3 sentences.
{| class="wikitable" style="margin:0; color:inherit; width:100%"
2.  Write 1-3 paragraphs of "meat".  Talk about what the ship does well, what it doesn't, how it compares to same tier ships of the same type, how it compares to the previous ship in the tech tree, whatever. Try to avoid quoting vital statistics to players unless it is really relevant (i.e. concealment); they can see those in the sidebar on the right and don't need them read back. 
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | SURVIVABILITY !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(A) !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(B)
3.  Write a brief summary paragraph of 1-3 sentences highlighting the key takeaways from the paragraphs above.
|-
-->
| style="color:inherit;" | • Hit Points || style="color:inherit;" | 15400 || style="color:inherit;" | 19400
Z-31 is a Tier VII German destroyer and the first ship in the alternative german destroyer line. It gains access to the trademark features of the line, including 150mm guns with high AP damage and improved riccochet angles (similar to Des Moines), as well as a large health pool and 25mm side plating to protect it from low caliber HE.
|-
| style="color:inherit;" | • Torpedo protection damage reduction (%) || colspan="2" style="color:inherit;" | —
|}
</div>


|Pros=<!-- write list of positive points below. use * as in ordinary wiki-list. -->
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
* Massive health pool for her tier.
{| class="wikitable" style="margin:0; color:inherit; width:100%"
* Thick central armor (25 mm), cannot be penetrated by most non-German destroyer HE shells without the IFHE skill.
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | ARMOR DETAIL !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
* Guns have good accuracy.
|-
* Very high AP shell damage.
| style="color:inherit;" | • Belt (mm) || style="color:inherit;" | —
* Enhanced AP shell ricochet angles.
|-
* Very high HE shell armor penetration capacity (38 mm).
| style="color:inherit;" | • Deck (mm) || style="color:inherit;" | —
* Torpedoes have long range.
|-
* Fairly good concealment compared to other Tier VII destroyers.
| style="color:inherit;" | • Superstructure (mm) || style="color:inherit;" | —
* 20 seconds longer smoke dispersion time than ''[[Maass]]'', like Japanese and Soviet Tier VII destroyers.
|-
| style="color:inherit;" | • Extremities (mm) || style="color:inherit;" | —
|}
</div>


|Cons=<!-- write list of negative points below. use * as in ordinary wiki-list. -->
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
* Guns have long reload.
{| class="wikitable" style="margin:0; color:inherit; width:100%"
* Genuinely abysmal DPM. In terms of HE DPM, you can just about match Tier I cruisers. AP DPM matches Tier V DDs.
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | MANEUVERABILITY !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(A) !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(B)
* Fairly low HE shell damage.
|-
* Torpedoes are glacially slow at 50 knots.
| style="color:inherit;" | • Maximum speed (kt) || style="color:inherit;" | 36.0 || style="color:inherit;" | 36.0
* Long torpedo reload for a Tier VII destroyer.
|-
* No hydroacoustic search consumable, unlike ''[[Maass]]''.
| style="color:inherit;" | • Turning circle radius (m) || style="color:inherit;" | 670 || style="color:inherit;" | 670
* Limited team play abilities.
|-
| style="color:inherit;" | • Rudder-shift time (sec) || style="color:inherit;" | 8.2 || style="color:inherit;" | 5.4
|}
</div>


|Research=<!-- write text about priority sequence of research below -->
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
Researchable upgrades for ''{{#var:ship_name}}'':  
{| class="wikitable" style="margin:0; color:inherit; width:100%"
* '''Hull:'''  Upgrade to Hull (B) for greatly improved survivability and AA. Research of this module unlocks progress to ''[[Maerker]]''.
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | CONCEALMENT !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(A) !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | Z-31(B)
* '''Gun Fire Control System:'''  Upgrade to FKS Typ 7 mod.2 for an extra 10% range on the main battery.  
|-
| style="color:inherit;" | • Detectability by sea (km) || style="color:inherit;" | 6.98 || style="color:inherit;" | 6.98
|-
| style="color:inherit;" | • Detectability by air (km) || style="color:inherit;" | 3.51 || style="color:inherit;" | 3.51
|-
| style="color:inherit;" | • Detectability after firing main guns in smoke (km) || colspan="2" style="color:inherit;" | 3.09
|-
| style="color:inherit;" | • Detectability by depths (km) || style="color:inherit;" | 3.51 || style="color:inherit;" | 3.51
|}
</div>


|OptimalConfiguration=<!-- write some general text about selection of optimal configuration below (optional)-->
</div></div></div>
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>Main Battery</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div><div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
{| class="wikitable" style="margin:0; color:inherit; width:100%"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | MAIN BATTERY !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | FKS Typ 7 Mod. 1 !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | FKS Typ 7 Mod. 2
|-
| style="color:inherit;" | • Arrangement || colspan="2" style="color:inherit;" | 3×2 150mm
|-
| style="color:inherit;" | • Firing range (km) || style="color:inherit;" | 10.47 || style="color:inherit;" | 11.52
|-
| style="color:inherit;" | • Reload time (sec) || colspan="2" style="color:inherit;" | 7.0
|-
| style="color:inherit;" | • Rate of fire (shots/min) || colspan="2" style="color:inherit;" | 8.6
|-
| style="color:inherit;" | • 180° turn time (sec) || colspan="2" style="color:inherit;" | 22.5
|}
</div>


|Upgrades=<!-- write text about best upgrades below, add * after upgrade link to designate that another upgrade may be viable -->
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
{| class="wikitable" style="margin:0; color:inherit; width:100%"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | DISPERSION !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
|-
| style="color:inherit;" | • Dispersion type || style="color:inherit;" | Elbing dispersion
|-
| style="color:inherit;" | • Dispersion formula || style="color:inherit;" | Dispersion (m) = 3.5 × range(km) + 15
|-
| style="color:inherit;" | • Sigma || style="color:inherit;" | 2.0
|-
| style="color:inherit;" | • Maximum dispersion (m) || style="color:inherit;" | 51
|-
| style="color:inherit;" | • Dispersion at 5 km || style="color:inherit;" | 32
|-
| style="color:inherit;" | • Dispersion at 10 km || style="color:inherit;" | 50
|-
| style="color:inherit;" | • Dispersion at 10.47 km || style="color:inherit;" | 52
|}
</div>


The recommended upgrades for ''{{#var:ship_name}}'':
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
* '''Slot 1''': {{Main Armaments Modification 1}}
{| class="wikitable" style="margin:0; color:inherit; width:100%"
* '''Slot 2''': {{Engine Room Protection}}
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | HE SHELL !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
* '''Slot 3''': {{Aiming Systems Modification 1}}
|-
* '''Slot 4''': {{Propulsion Modification 1}}
| style="color:inherit;" | • Name || style="color:inherit;" | 150 mm Spr.Gr. Ausf. B
|-
| style="color:inherit;" | • Maximum damage || style="color:inherit;" | 1800
|-
| style="color:inherit;" | • Fire chance (%) || style="color:inherit;" | 12.0%
|-
| style="color:inherit;" | • Shell velocity (m/s) || style="color:inherit;" | 835
|-
| style="color:inherit;" | • Shell weight (kg) || style="color:inherit;" | 51
|-
| style="color:inherit;" | • Penetration (mm) || style="color:inherit;" | 38
|}
</div>


|CommanderSkills=<!-- write text about best set of Commander Skills below -->


{{Commander Skills 3 DD
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
<!-- Ratings 1,2,3 are legit. Others are ignored.-->
{| class="wikitable" style="margin:0; color:inherit; width:100%"
| rating11 = 2 <!-- Grease the Gears -->
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | AP SHELL !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
| rating12 = <!-- Liquidator -->
|-
| rating13 = <!-- Consumables Specialist -->
| style="color:inherit;" | • Name || style="color:inherit;" | 150 mm P.Spr.Gr. Ausf. B
| rating14 = <!-- Gun Feeder -->
|-
| rating15 = <!-- Incoming Fire Alert -->
| style="color:inherit;" | • Maximum damage || style="color:inherit;" | 3700
| rating16 = 3 <!-- Preventive Maintenance -->
|-
| style="color:inherit;" | • Shell velocity (m/s) || style="color:inherit;" | 835
|-
| style="color:inherit;" | • Shell weight (kg) || style="color:inherit;" | 51
|-
| style="color:inherit;" | • Fuse time (sec) || style="color:inherit;" | 0.025
|-
| style="color:inherit;" | • Ricochet start (°) || style="color:inherit;" | 60
|-
| style="color:inherit;" | • Always ricochet (°) || style="color:inherit;" | 67.5
|-
| style="color:inherit;" | • Normalisation (°) || style="color:inherit;" | 8.5
|-
| style="color:inherit;" | • Arming threshold (mm) || style="color:inherit;" | 25
|}
</div>
</div></div></div>
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>Torpedoes</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
{| class="wikitable" style="margin:0; color:inherit; width:100%"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | TORPEDO LAUNCHERS !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
|-
| style="color:inherit;" | • Number of launchers || style="color:inherit;" | 1
|-
| style="color:inherit;" | • Torpedo name || style="color:inherit;" | PGPT039
|-
| style="color:inherit;" | • Reload time (sec) || style="color:inherit;" | 120.0
|-
| style="color:inherit;" | • 180° turn time (sec) || style="color:inherit;" | 7.2
|-
| style="color:inherit;" | • Damage || style="color:inherit;" | 38100
|-
| style="color:inherit;" | • Range (km) || style="color:inherit;" | 0.3
|-
| style="color:inherit;" | • Speed (kt) || style="color:inherit;" | 50
|-
| style="color:inherit;" | • Detectability (km) || style="color:inherit;" | 1.2
|-
| style="color:inherit;" | • Flooding chance (%) || style="color:inherit;" | 2.27%
|}
</div>


| rating21 =  <!-- Pyrotechnician -->
</div></div></div>
| rating22 = <!-- Swift Fish -->
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>AA Defense</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>
| rating23 = <!-- Consumables Enhancements -->
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
| rating24 = 2 <!-- Extra-Heavy AP Shells -->
'''Z-31(A)'''
| rating25 = 2 <!-- Priority Target -->
| rating26 = 3 <!-- Last Stand -->


| rating31 = 2 <!-- Main Battery & AA Specialist -->
{| class="wikitable" style="margin:0 0 0.8em 0; width:100%; color:inherit;"
| rating32 =  <!-- Fill the Tubes -->
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | AA ARMAMENT !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | MOUNTS × BARRELS
| rating33 = 2 <!-- Adrenaline Rush -->
|-
| rating34 = <!-- Inertial Fuse for HE Shells -->
| style="color:inherit;" | 37 mm || style="color:inherit;" | 4 × 2
| rating35 = <!-- Superintendent -->
|-
| rating36 = 3 <!-- Survivability Expert -->
| style="color:inherit;" | 20 mm || style="color:inherit;" | 8 × 1
|}


| rating41 = 2 <!-- Main Battery & AA Expert -->
'''Continuous damage''' — average DPS within each action zone
| rating42 = <!-- Swift in Silence -->
{| class="wikitable" style="margin:0 0 0.8em 0; width:100%; color:inherit;"
| rating43 = 1 <!-- Radio Location -->
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | RANGE !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | DPS !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | HIT CHANCE !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | ACTION ZONE (km)
| rating44 = <!-- Fearless Brawler -->
|-
| rating45 = 1 <!-- Concealment Expert -->
| style="color:inherit;" | Short-range || style="color:inherit;" | 84 || style="color:inherit;" | 95% || style="color:inherit;" | 2.0
| rating46 = <!-- Dazzle -->
|-
}}
| style="color:inherit;" | Mid-range || style="color:inherit;" | 31.5 || style="color:inherit;" | 100% || style="color:inherit;" | 3.5
|}


|Consumables=<!-- write text about selection of Consumables below -->
'''Z-31(B)'''
''{{#var:ship_name}}'' equips:
* '''Slot 1:''' {{Damage Control Party}}
* '''Slot 2:''' {{Smoke Generator}} &ndash; 3 charges
* '''Slot 3:''' {{Engine Boost}} &ndash; 3 charges


|Camouflage={{TT Ship Camo Insert|shiptier=7}}
{| class="wikitable" style="margin:0 0 0.8em 0; width:100%; color:inherit;"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | AA ARMAMENT !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | MOUNTS × BARRELS
|-
| style="color:inherit;" | 37 mm || style="color:inherit;" | 4 × 2
|-
| style="color:inherit;" | 20 mm || style="color:inherit;" | 2 × 4 + 6 × 2
|}


|Signals=<!-- write text about best set of signals below -->
'''Continuous damage''' — average DPS within each action zone
{| class="wikitable" style="margin:0 0 0.8em 0; width:100%; color:inherit;"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | RANGE !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | DPS !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | HIT CHANCE !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | ACTION ZONE (km)
|-
| style="color:inherit;" | Short-range || style="color:inherit;" | 108.5 || style="color:inherit;" | 95% || style="color:inherit;" | 2.0
|-
| style="color:inherit;" | Mid-range || style="color:inherit;" | 98 || style="color:inherit;" | 100% || style="color:inherit;" | 3.5
|}
</div>
</div></div></div>
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>Depth Charges</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>
<div style="border: 2px solid rgba(212,175,55,0.8); border-radius: 3px; margin-bottom: 1em; overflow: hidden;">
{| class="wikitable" style="margin:0; color:inherit; width:100%"
! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" | DEPTH CHARGES !! style="background-color:#1a3244; color:#ffffff; font-weight:bold;" |
|-
| style="color:inherit;" | • Max damage || style="color:inherit;" | 2400
|-
| style="color:inherit;" | • Number of charges || style="color:inherit;" | 2
|-
| style="color:inherit;" | • Bombs per charge || style="color:inherit;" | 1
|-
| style="color:inherit;" | • Reload time (sec) || style="color:inherit;" | 40.0
|}
</div>
</div></div></div>


{{Signal Flags
| November Echo Setteseven =  <!-- +5% AA damage -->
| Mike Yankee Soxisix =  <!-- Secondaries: +5% range, -5% reload, -5% dispersion-->
| India X-Ray =  2 <!-- +1/0.5% (160mm) fire, +5% you detonate -->
| Juliet Whiskey Unaone =  <!-- +15% flood, +5% you detonate -->
| Victor Lima =  3 <!-- +1/0.5% (160mm) fire, +4% flood -->
| Hotel Yankee =  <!-- ram someone -->


| November Foxtrot =  2 <!-- -5% Consumables reload -->
<!-- Add the ship code here to populate the upgrade table -->
| Sierra Mike =  3 <!-- +5% speed -->
{{Ship Upgrades Section|code=PGSD207_Z_31}}
| India Delta =  <!-- +20% HP from Repair Party -->
| Juliet Yankee Bissotwo =  <!-- -20% flood duration -->
| India Yankee =  1 <!-- -20% Fire duration -->
| Juliet Charlie = 3 <!-- No Detonate -->


| X-Ray Papa Unaone =  2 <!-- +15% Smoke Gen action time -->
| Sierra Bravo =  1 <!-- +10% Hydro action time;  -10% DFAA reload time -->


| Zulu = 2
<!-- Consumables have to be tagged individually on a slot by slot basis -->
| India Bravo Terrathree = 2
{{Ship Consumables Section|consumables=
| Equal Speed Charlie London = 3
* '''Slot 1:''' {{Damage Control Party}} (5.0s action, 40.0s cooldown)
| Zulu Hotel = 2
* '''Slot 2:''' {{Smoke Generator}} (3 charges, 20.0s action, 160.0s cooldown)
| Papa Papa =
* '''Slot 3:''' {{Engine Boost}} (3 charges, 120.0s action, 120.0s cooldown)
 
| Wyvern = 2
| Red Dragon = 3
| Dragon Flag = 3
| Ouroboros = 3
| Scylla = 3
| Basilisk = 3
 
| Hydra = 3
| Leviathan = 3
}}
}}


|Gallery=<!-- write below list of files with description (if necessary) separated with | --><gallery>


File:1942Z31HullA.jpg|Hull A
==Gallery==
File:1942Z31HullB.jpg|Hull B
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>WoWs Gallery</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>


<gallery>
</gallery>
</gallery>
</div></div></div>


|History=<!-- write text below -->
<div class="b-popup"><div class="b-popup_head js-tech-nav_head"><div><h2>Historical Gallery</h2></div><span class="b-tech-nav_arrow"></span></div><div class="b-popup_content" style="display: none;"><div>
<div class="thumb tright">
{{AnnoWiki|content=
<h2>''{{#var:ship_name}}'', 1945</h2>
<h3>Construction</h3>
:Deschimag; Bremen, Germany
:Laid down: 01 September 1940
:Launched: 15 May 1941
:Commissioned: 11 April 1942
 
====Specifications====
:2,757 tons displacement, standard
:127m length
:12m beam
:3.91m draft
 
====Machinery====
:6 boilers, 2 turbines
 
====Performance====
:38.5 knots at 70,000 shaft horsepower
:2,174nm at 19 knots
 
====Armament====
=====Main=====
:Three (3x1) 150mm guns
=====Secondary=====
:One (1x1) 105mm gun
=====Anti-Aircraft=====
:Fourteen (6x2 + 2x1) 37mm guns<br />
:Thirteen (1x4 + 4x2 + 1x1) 20mm guns
=====Torpedoes=====
:Eight (2x4) 550mm torpedo tubes
}}
</div>
[[File:Z31SideView.jpg|500px|link=]]
 
===History===
 
====Design====
The destroyers of the Zerstörer 1936A (Mob.) class were a class of destroyers that simplified the preceding class, the 1936A class, while keeping their general characteristics. This was done in order to reduce construction time during war time, hence the name, 1936A "Mobilisation" (mobilization).
 
The ships sported a 127 meter long and 12 meter wide hull with a draft of up to 4.65m. The displacement ranged between 2,600 and 3,700 tons depending on the loadout, and the engines — with a combined 70,000 shaft horsepower — would allow for a speed of 36 knots (during speed trials, speeds up to 38.5 knots were achieved).  The fuel capacity gave these ships a cruising range of up to 2,500 nautical miles. The crew for a single vessel consisted of 11 officers and 320 men.
 
What made the 1936A (Mob.) class stand out from other destroyers of the era was their main battery armament. The 15cm L/48 was gun was unique to Germany, and the largest main battery rifle to be mounted on a destroyer to date.  They were initially tested on the 1934-class destroyer ''Z-8 Bruno Heinemann'', these guns were meant to counter new French and British destroyers, as well as allowing the 1936A (Mob.) class ships to serve as scout units and to compensate for the continual shortage of light cruisers and scouting units.  There were two mountings available on the 1934A (Mob.) class, a single mount and a twin turret.  Other than the number of guns in these mountings, they also differed in terms of gun elevations: the single mounting allowed for 30° elevations, whereas the twin turret could elevate up to 65°.  Each ship of the ''Z-31'' class was slated to receive one twin-barreled mount on the bow and three single-barreled mounts at the stern of the ship, with the sternmost two being superfiring and the central turret facing forward.  The Torpedo armament did not change from the 1934 series destroyers, with two quadruple 533mm torpedo tubes, and the initial anti-aircraft armament consisted of two twin 37mm Flakzwilling 30's and five single barreled 20mm FlaK 38's.
 
Availability issues with the 15cm twin turret meant that the first unit of the class, ''Z-31'', only received four 15cm guns in single mountings.  However, even the lighter armament showed that the bow was insufficiently designed and that the ships took a tremendous amount of water over the bow in the commonly rough seas of the northern Atlantic.  With the twin turret installed the issues with these guns became more noticeable.  With the twin turret weighting more than four times that of a single mount, the fore ship was even more prone to being wet. As the turret was not properly designed to be waterproof the electrical systems within would often fail in heavy seas and the fixed ammunition meant that a lot of physical effort was required by the gun crews to reload the gun, which would hamper the ability to maintain a high rate of fire during combat.
 
With the threat from aircraft rising throughout the war, it was deemed as necessary to increase the anti-air-armament of all destroyers, resulting in the so-called “Barbara-program” which added additional AA guns for almost all ships in 1944. The proposed changes for the 1936A (Mob.) class ships were the removal of a 15cm single mount, and a completely new AA armament of twelve 37mm M42 and eighteen 20mm FlaK 38 guns, with the addition of 8.6cm AA rockets in four single launchers.
 
====Service====
''Z-31'' was constructed as construction number 1001 at the Deschimag dockyard in Bremen. Shortly after being completed and while undergoing trial and exercise runs she collided with the motor boat ''Wilfried'', causing damage to her outer hull and demanding a three week repair. Afterwards she escorted the heavy cruiser ''Lützow'' to Norway, where ''Z-31'' would stay for the time being undertaking various escorting and mining operations. One of these missions would be the "Spitzbergen-raid", where she would be part of a German task force containing the battleships ''Tirpitz'' and ''Scharnhorst'', attacking a Norwegian weather station. Initial return fire from shore batteries struck ''Z-31'' eight times causing her first casualties of one dead and one wounded. Until the end of the year 1943 she would continue taking part in various operations in Norway before sailing back to Poland for an overhaul.
 
In August 1944, after completing her overhaul and being regaining combat readiness, ''Z-31'' would return to Norway carrying technical personnel and materials for the damaged battleship ''Tirpitz''. While staying with Tirpitz for air cover an air raid targeting the battleship would also hit ''Z-31'', damaging her slightly. The following four months she would spend on further mine and escorting operations.
 
In January 1945 ''Z-31'' together with her sister ships ''Z-34'' and ''Z-38'' returned home from Norway into the Baltic sea. However, British intelligence knew of this and sent two light cruisers, ''HMS Diadem'' and ''HMS Mauritius'', to stop them. An engagement ensued, during which ''Z-31'' would take seven hits, one of which penetrated her forward twin turret destroying it. The destroyers escaped into the safety of the coast line, receiving support from shore batteries. The damage on ''Z-31'' was severe, of her 336 men strong crew 55 died and another 24 were wounded, and the entire foreship was wrecked. ''Z-34'' and ''Z-38'', being mostly undamaged, continued their trip to Germany. ''Z-31'' being too heavily damaged made her way to Bergen and then to Oslo for repairs.
 
There her bow was repaired, but the 150mm twin turret being beyond repair and in lack of spares a 105mm/45 single dual purpose gun was installed. Her Barbara-refit was also added, exchanging the medium and small AA for a much improved suite of automatic 37mm and 20mm guns. In March 1945 she was fit to return to Poland, which she did.A few days afterwards, on March 23rd 1945, ''Z-31'' towed the hulk of ''Gneisenau'' into the harbor entrance of Gotenhafen where she would be sunk as a block ship. The remainder of the war she would spend escorting the cruisers still afloat, and engaging land targets.
 
After the capitulation of Germany the Royal Navy took command of ''Z-31'' and, following some short trials, she was handed over to the French Navy on February 2nd, which would recommission her as ''Marceau'' shortly afterwards. Being decommissioned in 1948, remodeled in 1950, recommissioned in 1952 and then decommissioned again on February 1st 1954 she was sold for scrap in 1958, although her scrapping would be delayed until the early 1960s.
 
====Historical Inaccuracies====
* ''Z-31'' never carried a combination of a 150mm twin turret and automatic 37mm guns.
* The in game model of ''Z-31'' shows her carrying 20mm guns around the second funnel, however on all 1936A and 1936A (Mob.) type destroyers the larger platform around the second funnel would always carry 37mm weaponry.
* ''Z-31'' never gave away her central 15cm single mount; on the in game model it is absent on both hulls.
 
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File:Z31PlanView.jpg|Drawing showing Z-31 in her final wartime configuration


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[[Category:Ships of Germany]]
 
[[Category:Destroyers]]
|Ref= <!-- write below -->
[[Category:Tier VII ships]]
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{{WoWS Ship Changelog Insert|1=
*Available for testing by supertesters in the game starting from Update 0.10.1.
{{WoWS Ship Testing Changes Insert|1=
*{{WoWS DevBlog Link Insert|115}}:
**Preliminary characteristics.
*{{WoWS DevBlog Link Insert|117}}:
**Torpedoes replaced with ones similar to the base torpedoes of T-22:
*** Torpedo range decreased from 8 to 7 km.
*** Torpedo speed decreased from 65 to 61 knots.
*{{WoWS DevBlog Link Insert|123}}:
**Removed the Hydroacoustic Search consumable.
**Added the Smoke Generator consumable.
**AP shell ricochet check angle increased from 45 to 60 degrees.
**AP shell guaranteed ricochet angle increased from 60 to 67.5 degrees.
*{{WoWS DevBlog Link Insert|129}}:
**Torpedo tubes reload time increased from 90 to 110 s.
**Smoke screen dispersion time increased from 65 to 85 s.
*{{WoWS DevBlog Link Insert|132}}:
**Torpedo parameters changed:
*** Range increased from 7 to 10 km.
*** Speed decreased from 61 to 50 knots.
*** Detectability range decreased from 1.3 to 1.2 km.
*** Maximum damage increased from 13,700 to 16,533.
*{{WoWS DevBlog Link Insert|139}}:
**Main battery reload time increased from 7.5 to 8 s.
**HE shell parameters changed:
*** Maximum damage decreased from 2,200 to 1,700.
*** Fire chance decreased from 12 to 8%.
**Maximum torpedo damage decreased from 16,533 to 13,700.
**Torpedo tubes reload time increased from 110 to 120 s.
}}
*Update 0.10.3:
**Became available from sequential bundles for German tokens in the Armory.
*Introduced into the game as a researchable ship in Update 0.10.5.
*Update 0.11.8:
**Maximum HE shell damage increased from 1,700 to 1,800.
**HE shell fire chance increased from 8% to 12%.
*Update 12.5:
**Engine Boost consumable added in a separate slot.
**Main battery reload time reduced from 8 to 7 seconds.
*Update 13.3:
**Depth Charge damage increased from 2,200 to 2,400.
}}
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Revision as of 03:56, 30 June 2026


VII
5,700,000

Z-31 — Germany Tech Tree Tier VII Destroyer.

In 1940 and 1941, several Type 1936B destroyers were laid down again. The new Type 1936A(Mob) was equipped with 150 mm guns. Z-31, the lead ship, entered service in April 1942. The destroyer participated in the Battle of the Barents Sea against the JW-51B convoy. In 1943, she participated in the raid on Spitsbergen, and in 1944, she was involved in the transportation of German troops from Finland to Norway. In January 1945, the ship was heavily damaged in a battle with British cruisers. After the war, she was transferred to France and renamed Marceau.

Pros

  • Pro 1
  • Pro 2

Cons

  • Con 1
  • Con 2


Ship Stats

Hull Information

Main Battery

Torpedoes

AA Defense

Depth Charges


Compatible Upgrades

 Slot 1 
 Main Armaments Modification 1
 Auxiliary Armaments Modification 1
 Damage Control Party Modification 1
 Slot 2 
 Damage Control System Modification 1
 Engine Boost Modification 1
 Engine Room Protection
 Slot 3 
 Main Battery Modification 2
 AA Guns Modification 1
 Aiming Systems Modification 1
 Smoke Generator Modification 1
 Torpedo Tubes Modification 1
 Slot 4 
 Damage Control System Modification 2
 Propulsion Modification 1
 Steering Gears Modification 1
 Depth Charges Modification 1


Consumables


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