INVESTIGATION OF THE OPTIMUM TECHNOLOGY FOR SMELTING BALL BEARING STEEL

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00039R000100110040-5
• Release Decision: RIPPUB
• Original Classification: C
• Document Page Count: 11
• Document Creation Date: December 22, 2016
• Document Release Date: June 8, 2012
• Sequence Number: 40
• Publication Date: March 26, 1951
• Content Type: REPORT

Declassified in Part -Sanitized Copy Approved for Release 2012J06/08 :CIA-RDP82-000398000100110040-5
 ~ginAOra M~ ~~ Koloaov, ~~ Yap ~gmen~tok
end K~ v. ~eya~
4Cholyabinak ~etillurgioal Planb}
h the o timum teohuology for ~nutaof~uaring ba11-bearing
To eetablia p
Ohe1 ebia~ metallwr~iaal p1~.n~~, an investigation has base
eteol in tho Y
d?terroiniag the effeot of the deoxidising method on the ooa-
oonduoted for
allio iuoluaiona and tho surfaoe duality of ingota~ Three
taut of uoamet
io e~eotric furnaoe was used for melting ~'urnaoe ohargea
A 30 toe bee
i ed - of oarbon steel scrap and 25-10~
for melts with boi;~ing oompr s T5 9~
- g0 of scrap of theaame type steel and ~~ o~
of pig iron and for remelts
eltia the metal contained 1~Z5`~ 0 sad O.gS~ C
oarboa-pwce iron. After m g
respeotively.
th boiling. iron ore in batches of 40a-~00 kg and
Sa oasA a of reel to wi
bt~oed into the f'urnaoe after the whole oharge was melted
lime were intro
Burin the boiling process and new slag w formed
flag was removed 1-~ times g
d lime The rate of oarbon oxidation vsried from 0005 to
of fluorspar ~
saute, Total time of boiling was from ~j0 minutes to 1 hour
0~00~~ perm _ .
methods have been used for exporimeatal hoata~
1, ~eosidati n with oarbide sl and 1 ferroeiliooa
50 miaut~~p
~~ , ~ ~~~ ~
'A ,~"' ` ` d 6 s adefuls
....:. ~ i~t`a. ~2~=34~ spa~aefuls of Doke and lime an p
p 1 ,~
oompo~ed,o~ r~ ~ k ~~
~ , lam.:. 1,~ ~ ~ ~ ~ ? ~ x ~iS~~~..~`~`F~;~.LR. A ~r`,'~ in w~ :J -`
? ~~,~'~~~~hg~ ~~h~~~~~ive oaxbide slag oontinued for -
of f~lvore . ~~1, ~ ~~ e <