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Iwami B — Japan · Tier IX · Battleship

One of the battleship projects developed in Japan in the mid-1930s. The ship was supposed to have four twin-gun main battery turrets. She had reinforced 100 mm dual-purpose artillery, improved anti-aircraft armament, and torpedo launchers.

Premium ship
Iwami B

Ship Data

Basic Data

Hit points 80,700
Maximum speed 28.2 knots
Rudder shift time 14.1 seconds
Turning circle 880 metres

Main Battery

Main guns 410 mm/50 10th Year Type Mod.A in a twin-gun turret (4 turrets)
AP Overmatch bis 28 mm
Reload time 28 s
Range 22.3 km
Rate of fire 2.1 rounds/minute
Dispersion 244 m
Sigma 2.1
Turret traverse time 35.02 s
AP Maximum damage 12,750
HE Maximum damage 6,500

Torpedoes & Secondaries

Torpedo launchers 2
Torpedo range 20.01 km
Torpedo speed 62 kn
Torpedo damage 20,967
Secondary mounts 11
Secondary range 7 km
Brandwahrscheinlichkeit Secondaries HE 10 %

Concealment & Economy

Ship / aircraft / submarine 15.9 km / 10 km / 10 km
After firing main guns in smoke 15.94 km
Premium ship Yes
Special ship No
Price 18,000 Doubloons
AA mounts 62

Main Battery & Ballistics

Main Battery · Stock Configuration

Mounts × barrels 4 × 2
Calibre 410 mm
Reload time 28 s
Range 22.3 km
Horizontal dispersion 244.56 m
Vertical dispersion 195.65 m
180° traverse time 35.02 s
Sigma 2.1

HE · 410 mm HE Type 01

HE
Alpha damage 6,500 HP
Calibre 410 mm
Shell mass 1,016 kg
Muzzle velocity 834 m/s
Air drag coefficient 0.34
HE-Durchschlag 68 mm
Fire chance 30 %

AP · 410 mm AP/APC Type 01

AP
Alpha damage 12,750 HP
Calibre 410 mm
Shell mass 1,020 kg
Muzzle velocity 834 m/s
Air drag coefficient 0.34
Krupp value 2,650
Fuse time 0.033 s
Fuse arming threshold 68 mm
Ricochet starts at 45 °
Guaranteed ricochet from 60 °

Torpedoes

Type 93

Launcher 610 mm Quad
Tubes per launcher 4
Reload time 150 s
Maximum damage 20,967 HP
Range 20.01 km
Speed 62 kn
Detectability 2.5 km
Arming time 1 s
Diameter 610 mm

Secondary Battery

100 mm Secondary battery

HE
Mounts × barrels 8 × 2
Range 6.95 km
Reload time 3 s
180° traverse time 3 s
Horizontal dispersion 259.35 m
Vertical dispersion 259.35 m
Ammunition HE
Alpha damage 1,700 HP
Muzzle velocity 1,000 m/s
HE-Durchschlag 30 mm
Fire chance 6 %

155 mm Secondary battery

HE
Mounts × barrels 3 × 3
Range 6.95 km
Reload time 12 s
180° traverse time 3 s
Horizontal dispersion 259.35 m
Vertical dispersion 259.35 m
Ammunition HE
Alpha damage 2,600 HP
Muzzle velocity 925 m/s
HE-Durchschlag 26 mm
Fire chance 10 %

Anti-Aircraft Defence

AA group 1

Total mounts 11
Mounts contributing to AA 8
Long range · Range 0.1–5.8 km
Long range · Aura-DPS 203 DPS
Long range · Hit chance 75 %
Long range · Flak range 3.5–5.8 km
Long range · Flak explosions 8
Long range · Damage per explosion 1,470 HP
Long range · Flak hit chance 75 %

AA group 2

Total mounts 54
Mounts contributing to AA 54
Short range · Range 0.1–2.5 km
Short range · Aura-DPS 283.5 DPS
Short range · Hit chance 85 %

ASW Air Support

ASW Air Support · Kawanishi H6K

Aircraft HP 2,000 HP
Attack speed 245 kn
Squadron size 8 Aircraft
Attacking flight 1 Aircraft
Projectiles per attack 1
Initial aircraft 12 Aircraft
Maximum aircraft 12 Aircraft
Restoration 1 Aircraft
Restoration time 62 s
Restoration model Individual aircraft restoration
Armament Experimental 45 kg
Ammunition Depth charge
Maximum damage 4,200 HP
Available attacks 2
Reload time 30 s
Deployment distance 0.5–10 km
Interval 2 s

Armour

Overview

Overall range 19–508 mm

Hull

Deck 127 mm
Side 45 mm · 127 mm
Slope 127 mm

Bow

Deck 32 mm
Side 32 mm
Bottom 50 mm
Transverse bulkhead 127 mm

Stern

Belt 191 mm · 229 mm · 356 mm
Deck 32 mm
Side 32 mm
Bottom 50 mm
Transverse bulkhead 76 mm · 102 mm

Citadel

Bottom 50 mm
Bulge 93 mm

Citadel / Bow

Transverse bulkhead 76 mm · 152 mm · 254 mm · 380 mm

Citadel / Stern

Deck 152 mm
Transverse bulkhead 76 mm · 102 mm · 203 mm

Citadel / Casemate

Deck 32 mm · 51 mm
Slope 108 mm · 115 mm

Casemate

Belt 356 mm
Deck 55 mm

Casemate / Bow

Transverse bulkhead 380 mm · 380 mm

Casemate / Stern

Deck 152 mm
Transverse bulkhead 203 mm · 356 mm

Casemate / Upper Casemate

Deck 140 mm

Upper Casemate

Deck 50 mm
Side 32 mm

Upper Casemate / Bow

Transverse bulkhead 25 mm

Upper Casemate / Stern

Transverse bulkhead 25 mm

Superstructure

Side 19 mm · 51 mm
Roof 19 mm · 25 mm

Artillery

Turret 1 · Barbette 360 mm · 360 mm
Turret 2 · Barbette 76 mm · 360 mm
Turret 3 · Barbette 76 mm · 360 mm
Turret 4 · Barbette 76 mm · 360 mm
Turret 1 · Roof 127 mm
Turret 2 · Roof 127 mm
Turret 3 · Roof 127 mm
Turret 4 · Roof 127 mm
Turret 1 · Underside 203 mm

Conning Tower

Side 356 mm
Side 410 mm
Bottom 75 mm
Bottom 75 mm
Roof 305 mm

Rudder & Steering Gear

Side 127 mm
Roof 152 mm
Front 127 mm
Rear 229 mm · 356 mm

Torpedo Protection

Bulge 38 mm
Damage reduction 36.94 %

Consumables

Damage Control Party Slot 1
ChargesUnlimited Preparation time0 s Reload time80 s Action time10 s
Repair Party Slot 2
Charges4 Preparation time0 s Reload time80 s Action time28 s HP restored per second0.5 %

Module Research Tree

Hull

  1. Iwami B Stock module
    Module typeHull Hit points80,700 HP Technical layer thickness range19–508 mm Main battery mounts4 Secondary mounts11 AA mounts62 Torpedo armament mounts2

Main Battery

  1. 410 mm/50 10th Year Type Mod.A in a twin-gun turret Stock module
    Module typeMain Battery Rate of fire2.1 Schuss/min 180° traverse time35.02 s AP-Maximum damage12,750 HP HE-Maximum damage6,500 HP

Torpedoes

  1. Type90 mod. 1 Stock module
    Module typeTorpedoes Maximum torpedo damage20,967 HP Torpedo speed62 kn

Fire Control System

  1. Type9 mod. 1 Stock module
    Module typeFire Control System

Engine

  1. Propulsion: 145,000 hp Stock module
    Module typeEngine Maximum speed28.2 kn

Upgrades

Main Armaments Modification 1
Auxiliary Armaments Modification 1
Increases the action time of the Damage Control Party and Fast Damage Control Team consumables.
Damage Control Party Modification 1
Damage Control System Modification 1
Engine Room Protection
AA Guns Modification 1
Main Battery Modification 2
Main battery traverse speed+15 %
Secondary Battery Modification 1
Secondary battery horizontal dispersion−20 % Secondary battery range+20 %
Torpedo Tubes Modification 1
Torpedo launcher traverse speed+20 % Torpedo speed+5 %
Aiming Systems Modification 1
Main battery horizontal dispersion−7 % Secondary battery horizontal dispersion−5 % Secondary battery range+5 % Torpedo launcher traverse speed+20 %
Reduces time to full speed
Propulsion Modification 1
Airstrike Modification 1
Depth charge damage+15 % Airstrike reload time−20 % Airstrike aircraft HP+25 %
Damage Control System Modification 2
Steering Gears Modification 1
Rudder shift time−20 %
Ship Consumable Modification 1
Consumable action time+10 %
Concealment System Modification 1
Detectability−10 %
Torpedo Lookout System
Gun Fire Control System Modification 2
Main battery range+16 %
Main Battery Modification 3
Main battery traverse speed−13 % Main battery reload time−12 %
Auxiliary Armaments Modification 2
Secondary battery reload time−20 % Continuous AA damage+15 % Flak damage+15 % Additional flak explosions+1
Torpedo Tubes Modification 2
Torpedo launcher reload time−15 %
Compare with Another Ship Back to the Ship Database

Known Players with This Ship

Source: Friendly-Helpers EU data · PVP · ship data no more than 7 days old · 504,088 known players · 2,587 matches · 100 loaded · Click a column to sort the table. Player profiles and ship statistics open in English.

Players Battles Win Rate Avg. Damage Max. Damage Frags Survival FH Last Battle
Goonez
#507382837 		970 46.70% 55,117 177,629 0.52 26.70% 1,224 09 Oct 2026
Butt3rfLv
#565128514 		887 51.07% 72,610 240,247 0.80 27.96% 1,486 20 Oct 2026
__l__STORMBRINGER__l__
#561634226 		447 50.11% 51,323 198,222 0.64 21.25% 1,247 06 Apr 2025
m4dRaigen
#504455949 		377 53.85% 69,713 213,479 0.70 35.81% 1,475 16 Jan 2026
battle_dwarf_8
#579687607 		322 45.34% 42,571 145,522 0.31 18.94% 1,057 26 Apr 2026
Sectorel
#595079332 		265 56.60% 106,194 253,986 1.12 43.40% 1,947 11 Jul 2026
Speckdaene
#532612984 		261 57.47% 87,285 259,846 0.87 46.74% 1,726 22 Oct 2026
admCarter
#534665635 		261 57.09% 74,710 200,880 0.83 31.42% 1,551 12 Sep 2026
kirsty_war_girl
#535169140 		259 47.10% 50,932 180,280 0.42 28.57% 1,173 20 Apr 2025
Liquid_Fire_34
#561379918 		247 46.15% 51,191 135,097 0.44 38.06% 1,204 28 Jun 2026
Danamiel
#515580577 		244 49.18% 65,874 192,262 0.64 53.69% 1,465 07 Oct 2026
Tumor36
#512114669 		233 46.35% 47,091 152,263 0.44 33.05% 1,177 17 Oct 2026
GunGGR
#558723311 		218 49.08% 50,214 149,060 0.49 28.44% 1,236 19 Apr 2026
Captain_Yesterday
#501024631 		206 58.74% 85,080 199,280 0.97 37.38% 1,699 19 Oct 2026
Kaskad__1
#596444087 		198 44.95% 58,620 146,793 0.67 14.65% 1,259 22 Jul 2026
ArtruxProximus
#672949353 		183 51.37% 94,289 240,185 1.05 54.10% 1,830 25 Sep 2026
Tictin
#587480705 		182 42.31% 70,336 158,933 0.58 32.97% 1,346 28 Sep 2026
asusbranson
#504511933 		172 39.53% 55,244 126,138 0.49 66.28% 1,329 15 Sep 2026
asdljglvnkl
#603122623 		166 54.82% 91,854 214,406 0.95 42.77% 1,770 27 Dec 2025
Rage_Noob
#569646168 		159 47.80% 60,675 168,727 0.61 33.96% 1,316 09 Jul 2026
Chaos_Queen73
#686359291 		155 42.58% 61,792 139,265 0.64 41.94% 1,328 29 Aug 2026
Amamiya_Yaren
#695896729 		149 46.98% 88,097 242,230 0.62 31.54% 1,552 25 Nov 2025
_Hall_of_Fame_
#588241917 		147 56.46% 98,724 215,865 1.06 41.50% 1,846 21 Jul 2026
STATFD
#675289085 		145 42.07% 35,213 130,501 0.32 34.48% 1,001 09 Oct 2026
zanik_
#650778327 		134 54.48% 75,718 287,064 0.72 52.24% 1,606 14 Sep 2026
martaseeeek
#581319995 		130 39.23% 38,699 105,431 0.35 21.54% 942 10 Jun 2025
Hyeneken
#676496671 		124 54.03% 81,225 212,074 1.05 35.48% 1,676 02 Oct 2026
fr_Lyric
#517404397 		121 47.11% 54,811 171,002 0.38 32.23% 1,205 21 May 2026
TheOdysseyHadAPurpose
#529761396 		119 55.46% 92,465 231,846 1.04 31.09% 1,752 29 Apr 2026
Freistaat_Sachsen
#501521365 		118 50.85% 56,156 161,427 0.45 27.97% 1,230 13 Oct 2026
dania5258
#594934552 		112 55.36% 90,657 184,283 1.21 38.39% 1,822 14 Oct 2026
alfk2
#526934278 		112 41.96% 40,890 111,303 0.38 23.21% 1,011 11 Sep 2026
ORP_DiscoPolo
#512065069 		109 43.12% 43,062 153,613 0.36 22.02% 1,039 09 Oct 2026
BIGHAWK
#500746113 		108 46.30% 71,335 212,024 0.84 37.04% 1,497 10 Jun 2026
DPG858
#689122266 		107 52.34% 79,027 227,120 0.97 39.25% 1,626 23 Oct 2026
Oyubi
#686552958 		105 41.90% 37,748 130,171 0.28 11.43% 910 28 May 2026
Ethera95
#559293045 		105 37.14% 64,564 138,158 0.55 22.86% 1,275 11 Sep 2026
VoIker
#690711696 		102 50.98% 54,070 113,163 0.49 41.18% 1,275 14 Oct 2026
Fritz_auf_Feindfahrt
#569620895 		98 57.14% 89,650 195,847 0.81 47.96% 1,734 02 Oct 2026
Player_8476122178
#550556534 		98 37.76% 47,737 172,464 0.42 33.67% 1,114 16 Oct 2026
gerschi_Sniperidoo
#575234650 		97 48.45% 46,215 119,797 0.45 16.49% 1,095 07 Dec 2025
Longdong
#500200215 		96 56.25% 86,530 183,287 0.72 50.00% 1,686 19 Oct 2026
pian12706
#714714354 		96 38.54% 37,764 122,138 0.21 27.08% 935 02 Oct 2026
Marco220689
#601269493 		94 37.23% 43,744 158,906 0.49 11.70% 991 23 Sep 2026
Nano_Stark
#595227665 		90 41.11% 40,674 101,875 0.26 24.44% 975 26 Jan 2026
K4rm4Sutr4
#541533809 		87 51.72% 64,039 150,604 0.60 24.14% 1,348 24 Nov 2025
Sl4shr
#715485582 		87 51.72% 41,406 104,894 0.34 31.03% 1,120 25 May 2026
streetfighter82
#512052808 		86 43.02% 72,058 186,733 0.71 50.00% 1,492 17 Jun 2026
102RYS
#544241700 		85 51.76% 51,278 149,333 0.48 23.53% 1,219 07 Dec 2025
Mythos_Bal
#558052785 		84 52.38% 51,251 115,318 0.43 50.00% 1,272 19 Sep 2026
TheGreatKinger
#550972608 		80 46.25% 64,535 227,348 0.46 10.00% 1,219 20 Oct 2026
Wuuhsa92
#550356798 		79 69.62% 102,675 226,300 1.19 41.77% 2,003 22 Apr 2025
deltaforce63
#708601042 		78 43.59% 73,521 170,336 0.73 38.46% 1,448 08 Sep 2026
TipsyRabbit
#672851563 		77 54.55% 63,983 142,287 0.71 33.77% 1,448 15 Sep 2026
MrSaul
#506037214 		75 48.00% 74,661 190,625 0.72 32.00% 1,472 17 Oct 2026
19Alba70
#563543651 		75 37.33% 55,600 146,100 0.60 37.33% 1,241 08 Nov 2025
Kjalf70
#503330517 		74 56.76% 73,366 199,260 0.55 35.14% 1,482 21 Mar 2026
chris_fighter_hero
#518248610 		73 49.32% 60,105 135,781 0.62 41.10% 1,398 29 Aug 2025
Yavuz_top
#561414928 		72 50.00% 43,525 105,134 0.49 29.17% 1,149 28 Aug 2026
Changer24
#567916609 		72 47.22% 69,910 174,898 0.93 27.78% 1,468 03 Oct 2026
plergy12
#524032725 		69 59.42% 103,459 232,831 1.10 30.43% 1,918 08 Oct 2026
TheYellingSheeple
#505441342 		69 52.17% 79,025 218,501 0.77 17.39% 1,535 22 Oct 2026
KrankesKalb
#602353369 		69 47.83% 61,946 150,271 0.54 28.99% 1,296 11 Oct 2026
FF_TMA
#589548561 		67 43.28% 41,910 102,073 0.36 16.42% 913 21 Nov 2024
Capt_Aubrey
#501971733 		66 50.00% 75,760 189,020 0.77 28.79% 1,484 12 Oct 2026
Kaepten_Pikar
#515423317 		66 50.00% 58,714 131,219 0.61 39.39% 1,330 28 Jan 2026
dingo04_1
#666685107 		65 55.38% 61,899 154,921 0.63 44.62% 1,435 20 Oct 2026
Neophyte65
#500811251 		65 53.85% 88,519 198,293 0.85 36.92% 1,679 18 Sep 2026
Iouma
#540690325 		65 41.54% 40,137 145,271 0.54 10.77% 1,025 10 Aug 2026
Pidikanac74
#534452557 		64 56.25% 64,616 190,346 0.73 32.81% 1,460 26 Sep 2026
SecondariesEnthusiast
#681274003 		64 54.69% 103,741 209,784 0.98 26.56% 1,847 21 Oct 2026
_DarkLake_
#648114596 		63 63.49% 120,010 247,937 1.30 57.14% 2,184 16 Oct 2026
M_c_the_greatist_1977
#519906333 		63 38.10% 38,112 103,112 0.33 20.63% 949 26 Apr 2026
El_Picante
#693666365 		62 62.90% 96,010 224,459 1.15 48.39% 1,917 20 Oct 2026
Timurminator
#585279576 		62 59.68% 91,264 227,926 0.92 6.45% 1,710 25 Aug 2026
ORPblysk
#581951428 		62 54.84% 84,133 181,904 0.56 58.06% 1,628 23 Jul 2026
captainballarms
#529369165 		62 53.23% 87,315 210,454 0.65 32.26% 1,579 05 Sep 2026
Donsidingsi
#523575159 		62 53.23% 44,843 137,450 0.60 16.13% 1,106 16 Sep 2026
Z_52_2021
#577463826 		62 41.94% 57,212 144,192 0.48 48.39% 1,304 15 Jan 2024
arknights_mzff
#601065042 		60 65.00% 90,584 210,987 0.98 28.33% 1,762 12 Oct 2026
_zmora_
#500734104 		60 53.33% 107,842 245,939 1.13 45.00% 1,942 21 Oct 2026
henkeoverthehillkid
#551716308 		60 51.67% 87,799 267,262 0.97 35.00% 1,706 27 Sep 2026
Nightmaree
#501670391 		60 45.00% 62,333 139,561 0.48 16.67% 1,202 25 Apr 2025
MasterBaboon
#576344476 		59 55.93% 80,038 223,953 0.97 25.42% 1,648 05 Jul 2024
La_Corsa_Abyss
#595289657 		59 52.54% 71,234 171,599 0.44 30.51% 1,416 01 Sep 2026
MyNameIsToby
#596928392 		59 52.54% 67,486 154,166 0.95 28.81% 1,517 06 Sep 2025
vovanhill
#595009572 		59 47.46% 84,907 170,233 0.90 45.76% 1,656 18 Oct 2026
CaptainBaxi
#583007613 		59 47.46% 54,872 205,821 0.64 40.68% 1,331 08 Aug 2026
Deamens
#580899491 		59 45.76% 60,324 163,056 0.49 33.90% 1,248 21 Oct 2026
Oscuro66
#551082149 		56 44.64% 44,996 94,601 0.23 17.86% 1,031 22 Oct 2026
ShinjiMikami
#510607893 		56 42.86% 66,843 168,143 0.93 28.57% 1,402 10 Sep 2026
ZmienMnie
#529933413 		55 60.00% 94,068 167,739 1.20 38.18% 1,881 09 Sep 2026
_Kanzler
#563467148 		55 54.55% 55,540 144,523 0.53 34.55% 1,292 03 Jun 2026
Capt__Shadow
#599616065 		55 45.45% 46,073 137,343 0.42 21.82% 1,084 26 Sep 2026
BeagY_HuN
#581026037 		53 60.38% 71,336 183,507 0.83 24.53% 1,528 18 Jun 2026
VassilyGun
#550198070 		53 50.94% 51,831 112,883 0.55 33.96% 1,296 28 Mar 2026
viperga
#576342870 		53 43.40% 41,664 95,331 0.26 47.17% 1,079 22 Sep 2026
03adam
#517665820 		52 57.69% 68,023 162,814 0.88 44.23% 1,550 16 Oct 2026
Caesar_XII
#691507079 		51 49.02% 74,084 157,983 0.63 35.29% 1,443 11 Sep 2026
Full_English_
#577484482 		51 47.06% 49,216 138,101 0.53 27.45% 1,179 03 Sep 2026
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