Mesta 4 HI 1 Stand Hot Rolling Mill (rebuilt)

Production direction: Right to left
Materials rolled: Titanium Ti-6Al-4V
Materials rolled: Zirconium
Materials rolled: Austenitic alloys

Slab heating furnace length: 90 ft
Slab heating furnace type: Roller hearth
Slab heating furnace insulation: Brick and fiber
Slab heating furnace conveyor: Walking beam
Slab heating furnace burners: 64 gas fired

Reheat furnace length: 30 ft
Reheat furnace insulation: Brick and fiber
Reheat furnace conveyor: Roller conveyor
Reheat furnace burners: 22 gas fired

Maximum slab size: 64 x 64 x 6 in
Maximum slab weight: 4,000 lb
Incoming slab temperature: 1000–1500 °F

Infeed material thickness: 4–6 in
Maximum material width: 64 in
Final plate thickness: 0.187–1.250 in
Maximum finished width: 64 in

Mill type: 4 HI reversing hot plate mill
HAGC force hydraulic screw cylinders
Bearing type: 4-row taper roller bearing

Mill motor drive: 2 x 2500 HP DC
Spare motor armature: 1 x 2500 HP
Mill speed: 5–200 FPM

Work roll diameter: 25 in
Work roll face width: 67 in
Work roll usable diameter: 23 in

Backup roll diameter: 47 in
Backup roll face width: 66 in
Backup roll usable diameter: 45 in
Backup roll weight: approx. 30 ton

Entry side guides
Exit side guides
Edge roller housings
New work roll bearings: 8
New backup roll bearings: 8
New work roll chocks: 6
New backup roll chocks: 8

Roll bending system
Mae West unit
Bottom work roll lifting system
Top backup roll balancing system
Hydraulic roll change system
Hydraulic system
Air system
Oil system
Grease system
Reservoirs

Motor pumps: 2 x 200 HP
Motor pumps: 3 x 75 HP
Motor pumps: 12 x 25 HP

Five bottle accumulator unit
Two bottle accumulator unit
Small accumulator unit
Valve stands
Heat exchangers: 2

Roller conveyor length: 150 ft
Conveyor roll face width: 72 in
Conveyor roll diameter: 8.5 in
Conveyor roll capacity: 756 lb
Passline height: 32 in
Conveyor speed: 5–200 FPM
AC variable frequency control

Turntable
Exit cooling table: Walking beam
Automated lubrication system

Marley cooling tower

Rockwell automation system
Danieli automation system
Transformers: 3 x 34,500 KV
Switchgear
Allen Bradley PLC control

All motors present
Electrical equipment in good condition
Automation equipment in good condition
Complete Danieli survey report available