Where is high grade concrete used？

Grade C10 to C25 concrete: Light structural buildings, such as simple small houses, underground garages, etc. This concrete can provide sufficient strength and durability. Grade C30 to C40 concrete: Medium strength buildings, such as medium-sized homes, commercial buildings, etc. This concrete can ensure the stability and safety of the building. Grade C45 to C60 concrete: high-rise buildings, large Bridges, water conservancy projects and other large projects. The compressive strength of this concrete is generally above 55 mpa, which can withstand greater pressure and weight. Grade C60 to C140 concrete: Used for cross-sea Bridges and super tall buildings, providing extremely high strength and durability