This technical comparison examines the best materials for fixed blade knife blades, focusing on key properties like edge retention, toughness, corrosion resistance, and ease of sharpening. Carbon steels provide superior sharpness but require maintenance; stainless steels offer corrosion resistance and balanced performance; tool steels excel in toughness and wear resistance; titanium alloys serve niche corrosion-resistant roles. Understanding these materials helps users choose blades best suited for their specific needs.