Function: 1)Flattening the spangles, improve the surface roughness. 2)Eliminating or partly eliminating the yield point elongation. 3)Improve the strip shape. Performance: maximum rolling force: 6000 KN; Maximum elongation: 1.23% Press down style: hydraulic press Working style: four roll wet style Drive style: two support rolls drive Rolling speedMax 60200m/min Working roll dimensions: φ400φ420×1450mm Support roll dimensions: φ710φ790×1400mm Working roll bending force (single side): 200400KN Anti-wrinkle roll dimension: φ250×1450mm Structure: composed of skin pass mill body, main drive system, roll changing system, spraying system, hydraulic AGC system and tension control system etc.