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Iron Duke
Battleship | U.K. | Tier V
Tech Tree Position
Queen Elizabeth
Research price13000 exp
Purchase price1,600,000 Credits
Hit Points41,200 
Main Battery
343 mm/45 Mk V5 х 2 pcs.
Rate of Fireshots/min.
Reload Time30 sec.
Rotation Speed2.5 deg./sec.
180 Degree Turn Time72 sec.
Firing Range15.27 km.
Maximum Dispersion227 m.
HE Shell343 mm HE Mk III 
Maximum HE Shell Damage5,900 
Chance of Fire on Target Caused by HE Shell40 %
Initial HE Shell Velocity759 m./s.
HE Shell Weight635 kg.
AP Shell343 mm AP Mk Ia 
Maximum AP Shell Damage9,900 
Initial AP Shell Velocity759 m./s.
AP Shell Weight635 kg.
Secondary Armament #1
152 mm/50 BL Mk XVI12 х 1 pcs.
Firing Range4.5 km.
Rate of Fire6.98 shots/min.
Reload Time8.6 sec.
HE Shell152 mm HE 4crh 
Maximum HE Shell Damage2,200 
Initial HE Shell Velocity914 m./s.
Chance of Fire on Target Caused by HE Shel12 %
Secondary Armament #2
102 mm/45 QF Mk XIX2 х 2 pcs.
Firing Range4.5 km.
Rate of Fire20 shots/min.
Reload Timesec.
HE Shell102 mm HE 35 lb 
Maximum HE Shell Damage1,500 
Initial HE Shell Velocity811 m./s.
Chance of Fire on Target Caused by HE Shel%
AA Defense
12.7 mm Mk III4 х 4 pcs.
. . . Average Damage per Second8.4 
. . . Firing Range1.2 km.
40 mm Vickers 2-pdr. Mk VII4 х 4 pcs.
. . . Average Damage per Second56 
. . . Firing Range2.49 km.
102 mm/45 QF Mk XIX2 х 2 pcs.
. . . Average Damage per Second18.8 
. . . Firing Range5.01 km.
Maximum Speed20.99 knot
Turning Circle Radius650 m.
Rudder Shift Time18.5 sec.
Surface Detectability Range14.94 km.
Air Detectability Range8.02 km.
Battle Levels

Iron Duke — British Tier V battleship.

A typical British battleship of World War I. The ship carried the same main battery guns as the battleships of the preceding class, but was armed with more powerful secondary battery guns.


Main Battery Guns Rate of Fire
180° Turn Time
Maximum Dispersion
Maximum HE Shell Damage
Chance of Fire on Target Caused by HE Shell
Maximum AP Shell Damage
Research price
Purchase price
( Credits)
343 mm/45 Mk V2722275,900409,900 0178,000
Hull Hit Points
Main Turrets
Secondary Gun Turrets
AA Mounts
Torpedo Tubes
Hangar Capacity
Research price
Purchase price
( Credits)
Iron Duke (A)41,20013305512/24/2/40 0190,000
Iron Duke (B)47,10013305542/4/40 5,000550,000
Fire Control System Firing Range Increase
Maximum Firing Range
Research price
Purchase price
( Credits)
Mk V mod. 1015.3 064,000
Mk V mod. 21016.8 3,600340,000
Engine Maximum Speed
Research price
Purchase price
( Credits)
Propulsion: 29,000 hp21 084,000
Propulsion: 32,500 hp22.5 2,700240,000

Compatible Upgrades

 Slot 1  Main Armaments Modification 1 Auxiliary Armaments Modification 1 Magazine Modification 1 Spotting Aircraft Modification 1 Damage Control Party Modification 1
 Slot 2  Damage Control System Modification 1 Engine Room Protection
 Slot 3  Main Battery Modification 2 Secondary Battery Modification 1 AA Guns Modification 1 Aiming Systems Modification 1

Player Opinion


HMS Iron Duke is the Tier V British battleship. Like her Tier V contemporaries, Iron Duke boasts large caliber guns and thick armor. The main armor belt covers the majority of the hull which can help protect the ship when angling against large caliber guns. However, the armor will not protect the ship against broadside salvos.

Iron Duke is fitted with ten 343mm guns in a layout similar to König and New York. While Iron Duke’s armor piercing shells are often effective against cruisers and other lightly protected targets, they may struggle to deal damage against other battleships; when facing higher tiered or heavily angled battleships, captains should consider switching to high explosive shells. The high alpha damage and fire chance on the HE shells makes them quite effective at damaging targets that the AP shells would normally not harm. Additionally, Iron Duke suffers from a slow turret traverse speed. Captains must plan ahead and begin turning their guns before entering an engagement with enemy ships. In certain situations, it may also be quicker to turn the whole ship rather than wait for the turrets to traverse.

In addition to her main battery, Iron Duke carries a large secondary armament for her tier. While these guns are not as effective as some higher tier battleships’ secondaries, they can help fend off destroyers who sail too close to the ship. The secondary guns may also prove useful in close quarter engagements with other battleships due to the high fire chance they possess.


  • High explosive shells have high maximum damage and fire chance.
  • The ship can fire all ten guns without needing to expose much of her side.
  • Powerful secondary armament with long range for her tier.
  • The main armor belt covers a majority of the hull.
  • Her main guns have better accuracy and damage than Orion’s.


  • The main guns traverse slowly (72 seconds to turn 180 degrees).
  • The AP shells may sometimes struggle to deal damage against enemy battleships.
  • Lower torpedo damage reduction than other Tier V tech tree battleships.
  • Although still sensible, her armor is not as strong as that of König and New York.


Iron Duke has three modules to research: the hull, engine, and gun fire control system. Captains should first research the upgraded hull for the increased health and improved maneuverability it provides. Captains should next research the gun fire control system for the increased range before finally researching the ship’s engine module.

Optimal Configuration


The recommended upgrades for Iron Duke are as follows:

Commander Skills

Expert Loader is the most useful option amongst the Level 1 skills. This skill reduces the time needed to switch shell types if the main battery guns are already loaded. Priority target can also prove useful by alerting captains to how many ships are currently targeting them. For Level 2 skills, Expert Marksman is recommended to reduce the turret traverse time. Captains looking to improve the surviability of the ship may also opt for High Alert or Jack of All Trades for the reduced consumable cool down.

At Level 3, Superintendent is recommended for an extra charge of the Repair Party consumable. Basics of Survivability is also recommended to reduce the time required to repair fires, flooding, and module damage. Captains may also choose to take Basic Firing Training to improve the effectiveness of the anti-aircraft and small caliber secondary guns. Concealment Expert is recommended at Level 4 to reduce the ship’s detection radius, allowing captains to close in unnoticed. Fire Prevention is also recommended to reduce the risk of fire and maximum number of fires on the ship. Advanced Firing Training can be taken to increase the firing range of the secondary and anti-aircraft guns.


Iron Duke can equip the following consumables:


Type 1, 2, or 5 camouflage can be equipped for credits; Types 2 or 5 are recommended at a minimum to reduce the accuracy of incoming shells. Other camouflages such as the Ocean Soul camouflage may also be used to boost the experience or credit gain per battle.


Iron Duke can mount eight signal flags simultaneously. Captains should mount India Delta flags (+20% to the amount of HP recovered when the Repair Party consumable is used.) to increase the amount of hit points the repair party consumable can recover. Sierra Mike flags (+5% to the ship's maximum speed.) are also recommended to increase the ship’s top speed. India Yankee flags (-20% to fire duration.) can be mounted to decrease the time needed to extinguish fires. Lastly, economic and special signal flags can be mounted to increase the credit and experience gain per battle.


Historical Info

Historical Gallery


  1. HMS Iron Duke (1912) - Wikipedia
  2. Iron Duke-class battleship - Wikipedia
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