General Information of second hand cold rolling mill plant in good condition - 1700mm push pull pickling line units 1set Material: plain carbon steel Max Coil Weight: 30000kg
Strip thickness: 1.8-5.0mm strip width: 900-1550 mm
Thread speed: 30m/min unit line speed: 130m/min
Process Line Speed: 115 m/min capacity : 400,000 tons per year
Inner diameter of inlet strip: φ610/φ762 mm;
inner diameter of outlet strip: φ610 mm
External diameter of strip: 2250mm (max):\
Maximum unit coil Weight: 22kg/mm
Pickling method: shallow turbulent pickling
medium: hydrochloric acid (> 31%) - 1400 mm 12-high cold rolling mill 2 sets
Material:Carbon Steel; Max Coil Weight of 25 000 kg
Strip thickness: 0.15-4.0 mm; strip width: 900-1250 mm
Thread-through speed: 180 m/min; unit line speed: 600 m/min
Maximum pressure: 10,000 KN; annual design output: 60,000 tons (0.3 mm)
Decoiler: inner diameter 610mm, outer diameter 2100mm (max), cantilever expansion and contraction type
Straightener: 7-roll electromagnetic clutch
Right winder: inner diameter 510mm, outer diameter 2100mm (max), cantilever expansion and contraction type
Roller System: Work Roll 120mm Intermediate Roll 225mm Backing Bearing 406mm
Left winder: inner diameter 610mm, outer diameter 2100mm (max), solid core drum
- 1300mm Rewinding unit
- Slitting units 2 sets: 1300mm slitting units ( including recoiler) 1600mm slitting unit 1 set uninstalled
- gas forced circulating Bell-type Annealing furnace
- 1450mm tempering mill /skin pass mill
- ZMP600/4000 Shot Blasting Unit 1 Set
- 1400 Tension leveler 1 setIncoming Material: carbon steel
Yield strength: σs≤445Mpa(state after cold rolling, annealing and leveling)
Product Specification: 0.18-1.5*750-1250 mm
Inner diameter of coil/outer diameter of coil: 508/2000mm
Maximum steel coil weight: W≤25T
Thickness tolerance of strip:±1%
Drive mode: DC motor drive
Elongation: 0.5%~2%
Maximum tension of outlet correction segment:
≤120kN V≤120m/min
≥60kN V≤200m/min
Correction speed: ≤200m/min ,(0.5mm>h≥0.18mm)
≤120m/min ,(1.5mm≥h≥0.5mm)
Unwinding tension: ≤28kN; coiling tension: ≤43kN
Tension accuracy: steady speed (±1.0%), acceleration and deceleration (±2.5%).
Accuracy of speed: steady state (±0.2%), acceleration and deceleration (±3.0%).
Surface Quality and Profile Accuracy of Corrected Strip: Strip Warpage (Reference to National Standard)
Shape requirements W≤5I ~8I (incoming plate type ≤50I)
Elongation control accuracy (±0.2)
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