Process basics
Pickling is mainly a scale-removal process, not a final surface finishing step by itself.
Pickling Line Guide
Pickling Line Guide for scale removal and coil preparation
A pickling line removes oxide scale from hot rolled strip so the coil can enter cold rolling, cleaning, leveling or slitting with a more controlled surface.
Guide overview
This Pickling Line Guide introduces where acid pickling sits in a metal processing line. In many steel coil routes, the strip is uncoiled, welded or joined, descaled, rinsed, dried and then sent to cold rolling or downstream finishing.
Important parameters include strip width, thickness, steel grade, oxide scale condition, acid concentration, tank length, line speed, rinsing quality, drying capacity, fume handling and acid regeneration planning.
Where this topic appears
- Stainless steel, silicon steel, carbon steel and selected nonferrous strip processing routes.
- Coil processing lines that include pickling, rolling, cleaning, tension leveling, slitting and recoiling.
- Beginner tutorials, parameter reviews and terminology discussions before equipment comparison.
Parameter Guide
Pickling Line Guide reference range
These ranges help readers understand typical coil-processing language. Final equipment specifications always depend on material grade, thickness, coil weight, process target and plant conditions.
| Guide item | Typical width | Line speed | What beginners should notice |
|---|---|---|---|
| Continuous pickling line | 650-1780 mm | 80-400 m/min | Used for high-throughput scale removal with welding, loopers, acid tanks, rinsing and drying. |
| Push-pull pickling line | 650-1780 mm | 30-180 m/min | A flexible route for smaller batches, simpler coil handling and varied production plans. |
| Pickling line / tandem cold mill | 650-1780 mm | Project-based | Combines pickling and rolling when continuous high-volume production is the main target. |
| Entry scale breaker section | 650-1780 mm | Line-matched | Helps crack oxide scale before acid pickling and can improve pickling efficiency. |
Knowledge Focus
What to understand before comparing equipment.
Parameter guide
Acid concentration, strip temperature, line speed, turbulence, rinse quality and drying capacity should be read together.
Terms to know
Scale breaker, acid tank, cascade rinsing, acid regeneration, looper, welder and pickling time are common pickling line terms.