Main technical parameters：

Raw material specifications：

Material：Mild steel Q215,Q235,OHF etc.

Thickness：1.5-4mm

Width：800-1250mm

Coil ID：φ610mm

Coil OD：Min 1400mm，Max 2000mm

Max coil weight：28t

Average unit weight：18kg/mm（Used to calculate output)）

Max unit weight：22.4kg/mm

Finished product specifications：

Thickness：0.25-2mm

Width：800-1250mm

Coil ID：φ610mm

Max OD：φ2000mm

Max coil weight：28t

Unit speed：

Uncoiler speed：Max 300m/min（When filling）

Mill machine inlet speed：Max 150m/min

Mill machine outlet speed：Max 720m/min

Pickling speed：Max 180m/min

Threading speed：30-90m/min

Crawling speed：10-30m/min

Unit parameters：

Uncoiler tension：Max 2.5t

Accumulator inner tension：Max 4.5t

Mill inlet tension：Max 18t

Tension between mill stands：Max 45t

Coiler tension：Max 10t

Max rolling force：1100t

Motor total power：14000KW

Total length of pickling tank：11.75m*8 sections=94m

Total length of rinsing tank：9m，4-stage cascade countercurrent rinsing

Unit total length：160m

Driving direction：Seen from the inlet side, the driving is on the left side

Pickling data：

Pickling medium：hydrochloric acid

Acid concentration：200gHCl/L

Pickling temperature：70-85℃

Rinsing temperature：70℃

Iron ion concentration in waste acid：110-120g/L,Average 115g/L

Pickling iron loss：0.4-0.5%，Average 0.45%

Pickling time：27-50s