Understanding steel grades and bar diameters is essential for every civil engineer and construction professional. This infographic explains: 🔹 Common steel grades as per IS 1786 🔹 Where Fe 415, Fe 500, Fe 500D, Fe 550 & Fe 600 are used 🔹 Standard rebar diameters from 6 mm to 32 mm 🔹 Typical structural applications (slabs, beams, columns, footings) 🔹 Standard TMT bar length Choosing the correct grade and diameter ensures strength, ductility, safety, and long-term durability of structures. Sa