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Companies whose business is based on offering new product solutions are seeking techniques that support decision-making at early stages, such as conceptualization and prototyping. The growing importance of sustainable product development necessitates a holistic approach to this process. This is particularly challenging in the metals industry, which primarily focuses on materials, their sourcing, and extraction. These materials are closely linked to the level of satisfaction with the final product. Therefore, they should be considered across the entire product lifecycle. However, there is a lack of techniques to facilitate these decisions in the metals industry. Therefore, the aim of this article is to develop a model that supports the sustainable development of metal products by modeling materials selection throughout the lifecycle. The modeling takes into account key aspects such as quality, environmental impact, social responsibility, costs, and innovation. The model was developed in five main stages, and its main innovation is to consider alternative material solutions within the context of the final product lifecycle.

Keywords: Metallurgy, life cycle assessment, quality, sustainable product development, production engineering

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