Rolling Mill for High-Grade Steels
Technical data
| Starting stock | Billets 50 x 100 x 10,000 mm Billets 125 x 125 x 11,400 mm |
| Finished product | Rod 5,5 – 13,5 mm Bars Ø 11 – 57 mm Flads 22 – 120 mm, 5 – 12 mm dick |
| Bundle/stack | 3 – 8,5 m |
| Bundle/stack weight | 0,5 – 3 (5) t |
| Furnace capacity | bis 60 t/a |
| Material grades | High-grade structural steels 34 Cr 4, 60 SiMn7, 42 CrMo4 Antifriction bearing steels 100 Cr 6, 100 Cr 2, 100 CrMo 7 3Tool steels X 210 Cr 12, X 38 CrMoV 5 1, 55 CrNiMoVS 4 2 4 Acid-resistant and heat-resistant steels X 5 CrNiMo 18 11, X 2 CrNiMo 19 13, X 20 CrNiSi 25 4 High-speed steels X 79 Wco 18 5, X 82 W Mo 6 5 5 Special alloys X 55 CrMnNiN 20 8 X 45 CrSi 9 3 X 3 CrNiMoNbN 23 17 The complete range of steel grades includes approx. 300 different grades |
Furnace group:
- Charging grate, cross transfers, weighscale, descaler (2x), heat- holding tunnel
Mill train
- Single strand, H/V – arrangement
- Roughing train: PSW and 6 x Model 440
- Intermediate train: 4 x Model 440, 2 x Model 340
- Finishing train: 4 x Model 340
- Kocks-block
- 8-stand wire rod block for high grade steels 3 x 215/ 5 x 170
- Associated shears
- Loopers: 7 x vertical, 1 x horizontal
Cooling bed group
- Water cooling line, pinch roll unit
- Cooling bed shear
- Cooling bed 57 x 5 m
Continuous finishing shop
- Abrasive cutting machine
- Piling and stacking facilities (non-magnet type)
- Tying machines: 1 x fixed, 1 x movable
- various associated equipment, e.g. stoppers, chain transfers, roller tables etc.
Rod finishing equipment
- Water cooling and equalizing sections, pinch roll unit, laying head
- Ring conveyor for retarded and accelerated cooling, reforming tub
- Pallet-type coil handling system, compacting & tying units, weighscale, unloading station
Reel plant
- Water cooling and equalizing sections,
- Pinch roll units,
- Bar reels: 2 x,
- Transfer equipment to pallet-type coil handling system
