1350mm Steel Skin Pass 4-Hi Cold Rolling Mill: RM-448

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Description

Manufacture:

  • Hitachi
  • New 1996


Material: Carbon steel, Low alloy steel


Strip Width:

  • 900 - 1350 mm (35.4 - 53.1")


Strip Thickness:

  • 6.4 mm max entry (.252")
  • 1.8 mm min exit (.071")


Coil Size

  • ID - 762 mm (30")
  • OD - 1950 mm max (76.8")
  • Weight - 24 mtons (53,000 lbs)


Tensile Strength: 55 kg/mm2


Line speed:

  • 1.8 mm - 3.2 mm thickness = 400 mpm max. (1312 fpm)
  • 3.2 mm - 6.4 mm = 270 mpm max.   (886 fpm)
  • Threading speed = 30 mpm (98 fpm)


Roll size:

  • Work rolls = 630/560 mm diam x 1470 mm face (24.8"/22.0" x 57.9")
  • Back-up rolls = 1200 mm diam x 1420 mm face (47.2" x 55.9")


Motors:

  • Main mill = 920 kW AC
  • Uncoiler = 640 kW AC
  • Tension reel = 870 kW AC 


Passline Height = 920 mm above floor level (36.2")


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Specifications

ManufacturerHitachi
Year1996
ConditionUsed
Stock NumberRM-448