IS 1786:2008 — Clause Reference

Grades of Reinforcement (Fe 415 / 500 / 550 / 600 and D grades)

IS 1786 designates high-strength deformed bars by their characteristic yield strength — Fe 415, Fe 500, Fe 550, Fe 600 —…

Chemical Composition & Weldability (Carbon Equivalent)

IS 1786 limits carbon, sulphur, phosphorus (and S+P) and, critically, the carbon equivalent (CE). A controlled, low CE i…

Mechanical Properties — Yield, UTS, Elongation, UTS/YS Ratio

IS 1786 fixes minimum 0.2% proof / yield stress, minimum ultimate tensile strength (UTS), minimum percentage elongation,…

Bend & Re-Bend Test (Bendability of Reinforcement)

IS 1786 makes the bend and re-bend test (method per IS 1599) a mandatory acceptance: the bar is bent around a mandrel wh…

Mass per Metre, Tolerance, Ribs & Marking

IS 1786 sets the nominal mass per metre for each bar size, a permissible mass tolerance, the rib/deformation pattern tha…