Strength and Durability: Steel's inherent strength-to-weight ratio is unmatched by concrete. Steel structures can bear heavier loads and span greater distances without the need for excessive material. This results in slimmer and more efficient designs, maximizing usable space and minimizing the need for columns or supports. Moreover, steel is highly resistant to environmental factors such as rust and corrosion, ensuring the longevity of the structure. 

Faster Construction: Time is money in construction, and steel structures excel in this aspect. Steel components can be fabricated off-site, allowing for precise manufacturing and quality control. When these components are brought to the site, assembly is quick and efficient. This accelerates the construction timeline significantly compared to the curing times required for concrete in RCC buildings. 

Flexibility in Design: Steel's malleability and weldability grant architects and engineers greater freedom in design. Complex and innovative architectural visions can be realized more easily with steel structures. The ability to shape, bend, and weld steel elements empowers the creation of iconic and aesthetically pleasing buildings that might be challenging to achieve with traditional concrete methods. 

Reduced Foundation Requirements: Steel's lightweight nature translates to reduced foundation loads. This not only saves on foundation costs but also makes steel structures suitable for areas with challenging soil conditions. Additionally, the reduced weight can make steel structures ideal for retrofitting existing buildings, as they place less strain on the original foundations. 

Sustainable and Recyclable: Environmental concerns are increasingly important in construction. Steel's recyclability is a huge advantage. When a steel structure reaches the end of its lifecycle, the materials can be recycled and repurposed, reducing the burden on natural resources. This aligns well with sustainable building practices and LEED certifications. 

Maintenance Efficiency: While periodic maintenance is required to prevent corrosion, modern coatings and treatments have significantly improved steel's resistance to rust. Maintenance efforts are more predictable and manageable, and repairs can often be localized without affecting the entire structure. 

Cost-Effectiveness for Large-Scale Projects: For larger structures, especially those with intricate designs and complex requirements, steel can offer cost savings due to its efficient use of materials and faster construction times. This is particularly advantageous when considering the overall project budget and the potential for quicker return on investment.