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Article

Combined Influence of Stretch-Bending Straightening and Ageing on the Tensile Properties of Packaging Steels

by
Sebastian Möller
1,2,*,
Dimitrios Nouskalis
1,
Björn Ehmke
1,
Holm Altenbach
3 and
Christian Dresbach
2,*
1
thyssenkrupp Rasselstein GmbH, Koblenzer Str. 141, 56626 Andernach, Germany
2
Institute of Technology, Resource and Energy-Effcient Engineering, University of Applied Sciences Bonn-Rhein-Sieg, von-Liebig-Str. 20, 53359 Rheinbach, Germany
3
Institute of Materials, Technologies and Mechanics, Otto-von-Guericke-University Magdeburg, Universitätsplatz 2, 39106 Magdeburg, Germany
*
Authors to whom correspondence should be addressed.
Metals 2025, 15(8), 894; https://doi.org/10.3390/met15080894 (registering DOI)
Submission received: 11 July 2025 / Revised: 1 August 2025 / Accepted: 7 August 2025 / Published: 9 August 2025

Abstract

Stretch-bending straightening is used to ensure the desired flatness properties of packaging steel in the final stage of semi-finished product manufacturing. Not only is the flatness of the steel affected by the alternating bending load and the tensile load during the stretch-bending straightening process, but the mechanical properties also change depending on several factors. It was found out that the stretch-bending straightening parameters, the temper-rolling degree and the amount of interstitial elements have an influence on this change in mechanical properties. A follow-up ageing process, after stretch-bending straightening, also has a significant impact on this change. Based on these observations, a multivariate prediction model is developed describing the dependence between straightening parameters and resulting yield strength characteristics in non-aged and aged conditions for three different packaging steels.
Keywords: straightening; packaging steel; intermesh; degree of stretching; mechanical properties; prediction model; ageing straightening; packaging steel; intermesh; degree of stretching; mechanical properties; prediction model; ageing

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MDPI and ACS Style

Möller, S.; Nouskalis, D.; Ehmke, B.; Altenbach, H.; Dresbach, C. Combined Influence of Stretch-Bending Straightening and Ageing on the Tensile Properties of Packaging Steels. Metals 2025, 15, 894. https://doi.org/10.3390/met15080894

AMA Style

Möller S, Nouskalis D, Ehmke B, Altenbach H, Dresbach C. Combined Influence of Stretch-Bending Straightening and Ageing on the Tensile Properties of Packaging Steels. Metals. 2025; 15(8):894. https://doi.org/10.3390/met15080894

Chicago/Turabian Style

Möller, Sebastian, Dimitrios Nouskalis, Björn Ehmke, Holm Altenbach, and Christian Dresbach. 2025. "Combined Influence of Stretch-Bending Straightening and Ageing on the Tensile Properties of Packaging Steels" Metals 15, no. 8: 894. https://doi.org/10.3390/met15080894

APA Style

Möller, S., Nouskalis, D., Ehmke, B., Altenbach, H., & Dresbach, C. (2025). Combined Influence of Stretch-Bending Straightening and Ageing on the Tensile Properties of Packaging Steels. Metals, 15(8), 894. https://doi.org/10.3390/met15080894

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