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Table 1

Basic data used in simulation.

Items Name Value
Mill parameters Work roll diameter/mm 1051
Roll offset/mm 10–22
Linear velocity of the top work roll/m · s−1 1.5
Linear velocity of the bottom work roll/m · s−1 1.5–1.65
Elastic modulus/GPa 206
Poisson ratio 0.25
Rolled piece parameters (performance) Width/mm 3000
Length/mm 2000
Thickness/mm 180–280
Rolling reduction/mm 30–50
Yield stress in central layer/MPa 100
Yield stress in surface layers/MPa 100–120
Tangent modulus/MPa 10
Elastic modulus/GPa 110
Poisson ratio 0.29
Other setting parameters Rolled piece speed/m · s−1 1.5
Dynamic friction coefficient 0.2–0.4
Static friction coefficient 0.40

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