Skin Pass Rolling of High Manganese Steels

Abstract:

Applying a specific roughness on steel sheets, to ensure paintability and sufficient lubrication, is a crucial point for the metal forming processes. Due to the strength of high manganese HSD^® steels (X70MnAlSi 15-2.5-2.5), special actions are necessary to obtain the required roughness. At Salzgitter Mannesmann Forschung GmbH skin-pass rolling experiments on high manganese HSD^® steels with different PRETEX^® textured work-rolls were performed to investigate the influence of roll-surface-texture and skin-pass rolling force on the roughness transfer. The roughness and texture parameters of the steel sheets and roll surfaces were determined using optical confocal microscopy measurements. It is clearly shown that the work-roll surface texture has a major influence on the roughness transfer from work-rolls to steel sheet surfaces.

• Periodical: Materials Science Forum (Volume 854)
• Pages: 93-98
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.854.93
• Online since: May 2016
• Authors: Kai Köhler*, Norbert Kwiaton, Martin Bretschneider
• Keywords: High Manganese Steel, HSD^®, PRETEX^®, Roughness Characteristics, Skin-Pass Rolling, Work-Roll Texturing

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