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

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

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")