REQUIRED MECHANICAL PROPERTIES OF HIGH STRENGTH DEFORMED BARS & WIRES FOR CONCRETE

Specification For Mechanical Properties of High Strength Deformed Bars & Wires

Reference

IS-1786-2008-High strength deformed steel bars & wires for concrete reinforcement

Type 0.2% proof stress/ yield stress, Min, N/mm2 0.2% proof stress/ yield stress, Max, N/mm2 TS/YS ratio Elongation, %, Min, on gauge length 5.65√A, where A is the cross-sectional area of the test piece Total elongation, %, Min, on gauge length 5.65√A, where A is the cross-sectional area of the test piece
Fe 415 415 ≥ 1.10, but TS not less than 485 N/mm2 14.5
Fe 415D 415 ≥ 1.12, but TS not less than 500 N/mm2 18 5
Fe 415S 415 540 1.25 20 10
Fe 500 500 ≥ 1.08, but TS not less than 545 N/mm2 12
Fe 500D 500 ≥ 1.10, but TS not less than 565 N/mm2 16 5
Fe 500S 500 625 1.25 18 8
Fe 550 550 ≥ 1.06, but TS not less than 585 N/mm2 10
Fe 550D 550 ≥ 1.08, but TS not less than 600 N/mm2 14.5 5
Fe 600 600 ≥ 1.06, but TS not less than 660 N/mm2 10

 

Concrete Reinforcement
Concrete Reinforcement
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