Machine Information

1650mm Mitsubishi-Hitachi Hot Rolling Mill for Coils with Melting and Casting

Stock #: 116894

Equipped With

1 General specification
 
Date of operation; 2009. 07.01, Shutdown : 08. 2019
Products capacity: 3.0 million ton / year.
Steel kind AHSS 80, API, SPFS590, High carbon steel, etc.
 
1.1 Facility configuration
 
EAF 160ton 2units Danieli, Tenova
LF 160ton 2units Danieli
CCM 3.0Million ton / year 2units Danieli
T F 505ton / hr. 160T 2 unit Bricmont
HRM max. 760m / min. Mitsubishi-Hitachi
SPM max. 255m / min. SPCO

Utility etc.
 
2  Facility specification
 
2.1 Electric Arc Furnace
 
Type AC Consteel, EBT
C.O.P control, Preheating : 300C, Hot heel : 60~80ton/heat
TTT : 46min./ heat
Capacity 160ton / heat 2units
Transformer 140MVA 2units
Electrode arm size 28inch Conducive arm : cupper
Furnace dia. 7.700mm
Oxygen injector 2400Nm3 /hr. x 4 ea
Carbon injector 50kg / min. x 2ea
C/O2 injector 3,700 Nm3 / hr. , 45kg / min. x 1ea

Lime injector 200kg / min. x 1ea
Ladle car
 
2.2 Ladle Furnace
 
Type Twin station, TTT : 46min. / heat
Capacity 160ton / heat
Transformer 34MVA
Electrode arm size 18inch
Temperature rising 4.5C / min.
VD-OB Twin station
 
2.3 Continuous Caster
 
Type Vertical curved caster, 2 units
Radius 5,000mm

Slab size 70, 85mm x 900~1,650mm

Casting speed 70mm slab : 6.0m/min., 85mm slab : 4.6m/min.
Mould Length : 1,200mm
Strand Segments : 9ea
Dummy bar Bottom feeding 85mmT x 1,335mmW x 10,100mmL
Ladle turret 160ton(max.190ton)
Tundish 38ton(max.42ton)
Tundish car Moving speed : 2m~20m/min., Lifting speed : 300m/min.
Oscillator Frequency 0~450cycle / min. Stoke : 0~10mm
Shear Pendulum type, Capacity : 13,000KN max., Knife length : 1,900mm
 
2.4 Hot Rolling Mill
 
Type Pair cross type
Product size 1.2mmT~16mmT x 900mm ~1,650mm x max. 30ton
Product capacity 3.0million ton / year


Tunnel Furnace 505ton A line:219.25m, B line:176.8m, Shuttle ferry type
 Slab size : 70mmT / 85mmT x 900Wmm / 1,650Wmm
 Fuel : LNG
 Length : A-219.25m, B-176.8m, out put temp.: 1,150C
Vertical edger Roll dia.: 580mm~640mm
Roughing mill 4high x 2stand, RSB, AGC, Pass linner, Pinion
Crop shear
Finishing mill 4high x 5stand, FSB, AGC, Step liner, Pass liner,Looper
 Line max. speed : 760m/min.
Run out table 12 banks, top: laminer flow, bottom : spary
Down coiler Pinch roll, unit roll, mandrel
 
2.4 Skin pass mill
 
Type Single stand 4high


Product capacity 1.2million ton
Mill specification Strip thickness : 1.0mm~6.0mm
Strip width : 900mm~1,630mm
Line speed : 1.0mm - 500m/min., 6.0mm - 255m/min.
Coil dia. Inn : 762mm, out : 1,000mm~2,100mm, weight : 5,000kg~30,000kg
Pinch roll & leveler
Roll shop Buck up roll grinder : 1 unit, Work roll grinder : 3unit
 
2.5 Water treatment facility
 
Pump 228unit
Filter 46unit
Cooling tower 13sets
 
2.6 Substation
 
Transformer 154KV / 3,3K, 220MVA 2unit, 200MVA 1unit
Generator 6,6KV / 2,500KVA 2unit
Condenser & SVC