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A.O.D System
A.O.D(Argon Oxygen Decarburization) is the refining method initially investigated by UNION CARBIDE (W.KRIVSKY) in America in the year of 1945. It use less Fe-Cr with low carbon than the method through the electric furnace. And it also has easiness to manufacture the low-carbon stainless steel. In the domestic market, some steel manufacturing companies including Posco are producing it.
In the method of A.O.D, users blow O2 and compound Gas(Ar, N2) into metal bath to decarbonate steel, which leads to a restraint on oxidation of Cr by reducing the partial pressure of CO. because of rapidly supplying O2, it has larger ostensible range of decarbonation than other methods. Therefore, users of A.O.D have more chance to choose a variety of raw materials which will be poured into the melting furnace.
Manufacturing Facilities List
A.O.D H.I.F
PROCESS EQUIPMENT CAPACITY Q'ty YEAR MAKER
MELTING  H.I.F (High frequency Induction melting Furnace) 20Ton(NOR') 2 2008 KOREA
INDUCTO-THRM
 A.O.D 40Ton 1 2008 USA PRAXAIR
 Thermo Meter 1,100~1,800 ℃ 1 2008 KOREA
MOLDING  Alpha-set process &
  Sand Reclaimer
30 Ton/HR 2 2008 KOREA BAEKDU M/C
30 Ton/HR 1
POURING  Ladle 20Ton~50Ton 5 2008 KOREA
HEAT TREATMENT  Heat Treatment Furnace
  (Truck type used GAS)
40Ton(4000*3500*7000mm) 1 2008 KOREA
COMPRESSOR  Air Compressor 125HP 2 2008 KOREA
ATLAS COPCO PUMA
SHOT BLASTING  Hanger type Shot Blasting M/C 15Ton(2870*3075*2870mm) 1 2008 KOREA
SEYANG SHOT M/C
 Hanger type Shot Blasting M/C 20Ton(4320*4520*4320mm) 1
DUST COLLECTOR  Air Pulse Type Bag Filter 200~1800 CMM 6 2008 KOREA
CLEANING & REPAIR EQUIPMENT  Oxygen Cutting - 8 2008 KOREA
 Angle Grinder 7" etc. 42
 Co2 Welding M/C 600A 6
 Tig Welding M/C 500A 3
 Arc Welding M/C 15KW 12
 Gouging M/C 2500A 4
HOIST  O.H.C Hoist 2.8 ~ 75 Ton 14 2008 KOREA