Concrete Grades Details & Uses:

• C15 (OPC/SRC): Non-structural concrete, used for blinding and lean concrete under foundations.
• C20 (OPC/SRC): For light structural uses such as ordinary floors and boundary walls.
• C25 (OPC/SRC): Standard structural grade for ground beams, tie beams, and small villa foundations.
• C30 (OPC/SRC): Premium structural mix for columns, slabs, and water tank walls in modern villas.
• C35 (OPC/SRC): High-strength concrete for commercial projects, residential towers, and heavily loaded columns.
• C40 to C60 (OPC/SRC): Ultra high-strength concrete for mega projects, bridges, raft foundations, and tunnels.