NORTH KOREAN METAL INDUSTRY

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00457R008800350007-4
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 6
• Document Creation Date: December 14, 2016
• Document Release Date: June 14, 2000
• Sequence Number: 7
• Publication Date: October 9, 1951
• Content Type: REPORT

CLASSIFICATION Cui 'DENT 1AL 3
Approved For Re ?
itmotoptImgrAvkAlptii2-004571W4SRCR31..1 25X1A
IINFORklATION REPORT
erea
North Koan Metal Industry
25X1 C
25X1A
E." OF
?
V.10 t1
Valiktal
CD NO.
DATE DisTR, 9 OCT 51
NO. OF PAGES 6
NO. OF ENCLS.
(LISTED BELOW)
SUPPLEMENT TO
REPORT Na
25X 1 X
The major North Korean iron and steel industries ware as followsz
4,1
The Huunghae Smiting Works utich was the former Nippon Seitetsa ),0
workers in May 1950 and was map-
installations were as follawst
cit Icyomo (125-38' 3'44Y employed 90860
;aged by 110 Yono-il
Blast furnace
Mast furnace
Open hearth furnace
Oparaiaoarth furnace
;,:; la= frnace
' largo rolling mill
-_-ThLskrate rolling mill
Thin plsto rolling mill
pansitin rellingmiii
.0eh-) furnace
001:o futnaco
SuljurAc &vpid plant
hmvonium sulphate plant
? da "Plant
1301 t2;e12e plant
Tar plant.
Pitch plant
- naphthalene plant.
Anthracene plant
Creosote plant
'.$1a4 brick plant
.? *awning furnace
-
Burning furnace
brick plant
Ogygen. separatce
llumbor
2
1
3
1
1
1
1
1
3
1
giung=lgtSztja,10211
350 pig iron
.300 pig iron.
50 steel ingots
60 steel ingots
235 rail steel
330 steel plates
33 steel sheets
26 round steel
9.5 35
9.5 25
25 sulphuric acid
20 ammonium sul ato
18 berzone
19 lightojL
74 tar
49 pitch
94 naphthalene,'
2 .74 anthracone'
1 14.a eroosote
1,. 85 alas brick
1 16 burnt dolomite
3. 62 live li.co
1 chamotte brick
1 30 square meters 'per hour
NSRES
MR
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and output of the ift
'trqdUAt-YearixSiqrat Ten
Smelting 'jerks were as follows:
Erocluct
- Pig iron
350 000
Steel ingots
1.75,000
Rail
73? 000
St.eel plates
100,000
:Steel sheets
10>000
Round stool
05000
?eke
366 , 000
Sulphuric acid
6,900
Ammezaum stilphate
5,000
Ld.ght oil
40900
Ben..2;en9 -
3,000
Tar
17?000
Pitcrth
13,000
Naphthalene
2,000
Anthraclene
2;,000
Creosote
4000
live lirae
1:3,.000
Silica brick
10 000
Ogyr,011
30 square meters
per day
The ooagjin S
employed 4050
install,9,tions
ROA
;eel Worics,, which wszu the former trippon Koshuna
) rrker iil'iay 1950 and was rianaged by ILAN Chlel
'Jere as frllows
.?1300 W. t-type elect lo furnace
400 KV L-type elect le furnace
le 600 IM chi?ro ) tYPe electric
300 i i thi-ro typo (.,iect..,rie furnace
? v20000 L-type o''..octrix: furnace
'4-Mectrio steel r'xnace
w-Iligh -frequency induction. furnace
?erfagb.,froquenry induction Thrnaco
3teall haw-
Stoam
Steam 1, inner
Tress
,Icr-litrt pia mill
'rain plate rolling mill
8ma1l rolling mill
Rlectrode plant
?Amen plant-
Nail. factory
Tledium rolling mi. 1
blots awl Output of the aengj
Year*/ Oons,
20.60
4V0 Per month
5,000 kilos per month
4?-F.aectrm.,,,, *tool
glectr3des
Hails
'The 'o
em-ele
,
Number caoait-v? Per,. in Tons
4
4
furnace 1
1.
1.
2
3
9
Fe-W
Fe-W
005 Ca02
.03 cac2
6 electric stool
5 steel ingots
ti-or - -
.05 per time
3
20
6
1 140
1 33
1 50
1 130
1 30 square meters per hour
3 35 Idles
2 110
3. Steel Narks were ac follows:
assixia, L.Ekt_put
CaC2
Steel Tomato
02yeen
Z40
4'80000
? 70200 squire meters per
.menth
lin Steel: tiorks,2whth r,-1.8 formerly a. plant of the Nippon SW:total,
/,000 1,rorker's in May- 1950o- Its major installations 'ATV as follows g
pOMIERTIAL
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?
Blast furnace)
Cebt furnace
Ammonium saphate plant
Tar plant
Pitch plant
Light oil plant
Benzene plant
Naphthalene plant
Anthracene plant
Creosote pir.2...at
Number, 22,2.42.11y_Per DAL:Ulm
2
2
1
1
25X1A
250 pig iron .
19200 coke
24 ammonium sulphate
90 tar
5805 pitch
2805 light oil
2405 benzene
508 naphthalene
1.2 anthracene
14 creosote
Tho products and output of the Wongjin Steel Works were
ut in Tons Product
Fig..ircrt 156p000 Coke
i'lmmonium sulphate 7.300 Tr
:. pitch 179750 Light Oil
,
:.' Benzene 7g 200 Naphthalene
,
Creosote 59000 C'harnotte brick 2.40000
'The iiangson (.4/.?1,,, ) Steel works, whIch waf.3 formerly the Mitsubishi Steel Works
. ; at, -Psona:-.ing employed 39000 workers in February. 1950 and was managed by 'n icrk-pong
( .4- ),. Its major instal,lation were as follows's'?
5
as follows:
:Yearly Output in Tons
7609000
279000
79000
19750
1.0.104,796 electric furnace
A---I,....,type sto:-.1 furnace
...- ': L-type zteol furnace
Hlooraizia nill.
rolling mill
:,'il:nc:?? Small rolling ail
, ..
.Wire mill
?'-' .
Th c productean
'Product
FeS
Steel ingot*
Rail stool
Number,
3
3
1
1
2.
34
330
.140
80
26
Jsm.,Pjain_TsteEt
FeS
stool \ingots
steel ingots
steel .pieces
rail steel
rail stool
rail stool
output of the Hangson Steel Worko were as follows;
XftlaLla.21.02t it T2tA
4800
55,000
749000
'During 1950 an 0.1..out effort was Dude to expand ir on and stool production in North
orea0 The production coql, was set no for 1950 at two and ono-half tines that of
JQ1: The to1Jp i i a table of annual output in tone from 1946 through August
.9509
'Ftem
Pig iron : 39062 6052 999 634
S%eel. ingots 590)8 619496 1165,116
? ,Carbon steeA 40402 45 fi 649 72 p 619
es-teol 29900 66?740 E496l
CONFTDENTIAL
1910,, Jan-Allg_125
166424 152,000
145:000 /240000
979000 84s.,000
119000 149000
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.The produotion quota of 1950 was reached with a disregard of the rate of plant
operation inrelation to capacity, and, as a result, the quality of the product
deteiorated. Since 1946 over 95 percent of the steel produced was exported to
the 50viot Union? Atter the beginning of the mar on 25 Juno 1950, some plants
mem forced to cease operation because of the loss of power supplies. By Novem-
ber 1950 about 80 putent of the pover system-in North Korea was dentroyedl and
80 percent of factory buildings and from 40 to 60 percent of factory installations
were destroyed. Sill factories and important fsetories were voted undergrounki
or to rural areas sr, that production could be continued.
'Other motll-producg plants in North .Korea were as follow
. -a, Ohinnam o Switing L'orks, which was formerly a plant of. Nippon Kogyo ( g
t enployed 2?800 workers in 1950. Its major installations were
IM ,
follows3.
41-,!-0)41
Blast furiace
?PS retar,, kiln
OW sInt(vIng furnace
Pot sinieri.ng furnace
PL sint,vng. furnace
ET sint(.7ing furnace
?'Rol 611e, collector
Oil rc(ilsIng vat
.6.1ect,r4..ytic vat
Zinc oYide plant
Numhgt
7
2
7
/6
32
1
educts and output in tons?
? Elctrolytic zinc
1.11ter copper
Lc Oxide ,
Arson?
Z!ric
KAI
41500
1,890
70
600
? Can,
QuaoltyLin Tops sr D
150 copper and silver
30 copper
?100
21
20
10
9,000 mete s per day
.11
4)::0
I the Chinnampo Smelting Works were as
048.,
5,000
2,100
100
700
360
1049.
89000
)v600
260
750
36:5
Zan-Aue_1212,
4000
2,000
460
500
300
TL Muzplvong Smelting Works03 Which was expanOod after the oponinc of the
(RIA ) mine in 1949, was formerly the SUmitomo (44L ) Plant in
Unea.rian6 had 1060 employees in nay 1950. Its major installations vete
fOling404
Wast P ,
Blast furnace
Blast farnace
Mast i'urnaeo
OW sintering furnace
Load electrolytic vat
Silver electrolytic vat
Gold meltina pot
Load =senate
Number
Ca..aasitzje pmin Tow,
1
25
1
36
1
13
1
10.5
4
8
288
8
1
40
OONF TINDAL
4 cathode lead
4 kilograms silver
25 kilograms gold bullion
.8 arsonie acid
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TRAL INTELLILIENCL...ataNCY...
-6-
ts and 9utPut in tons?, a the flipplyong Smelting Works were as
Load bullion
Electrolytic lead
Gold bullion
Flectrolyti.e silver
Faccerolytic bismuth
Load oxide
Lead arsenate
.eriions acid
Zen
1?WL,
:4500
3?51O
80.00 kilos
210
2) 500
4,000
1.)50o kilos
9?000 Woe
250
(0
1242
;;?000
5,000
2500 kilos
2;000 kilos
JQ
33.500
31,000
640 kilos
8,000 Idlos
3
300
40
8 0 000 square
meters
The Hungnam Smelting Works was the former llppen Nitrogen Pls.nt and had 1,000
eriployees Ilay 1950. 1'x 711.1jer installs 'dons were as fo.lowst
Blast furnace
PL sintering furnace
.p:C sintering fumsce
Na4e-ru (4 ) typ.: rotary
Copper electrolytic vs'?
Load? electrol? tic vat
Lead furnace
Copper ?furnace)
Pot sinteenc twrils.te
FLY. sintering turn.vo
Co fbrnace
Co Alrnace
De.copperizationw
latriolisation fun-I-us
The products and Altput in
ElectrolyV;- copper
.Cold
Electro) niecol
Eleotreic load
Copper '01Pkoto
tO f3, 0
z.
1,700
?4,650 kilos
200
170
The veju Snelting works employed
outr,t,0 in tons:
r-ad
fziaork-7
aide
Number
0{1.....001.404.010
3
8
6
2
196
1
1
12
1.
t!;ts, UmTnam
4900
,1'..?000 kUos
400
250
Capacity ,,sr Day in Tons
Each Unit
15C
9
5
6r,: 11.10101 .z.ilvez,
9 et..thode .y.qopOt.
904 ?,','athodel,ead
25 loaC, buLico-.
90 a9ppe,
21
603 kilos
)60 kilos.
900 kilos
10000 kilos copper sill
Smelting 1k:rim were as font. ,11,
4-211,2
2?000 1,260
5,000 kilos 200 kilos
40
400 150
_350 --- 12C
180 --1.n.rs in 1950 and ha.d
1248 19,412
the followir
27 37 25
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CENTRAL, INTELLIGENCE AGENCY
-6-,
Comment,- Probably used for dyes-but amounts seem large?
. For a previous report on the Chlongjin Steel Works,* see
25X1A1, isailat. For previous reports on the Munp Ryong Smelting Workev sea
CONFIDENTIAL
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