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

2 thoughts on “REQUIRED MECHANICAL PROPERTIES OF HIGH STRENGTH DEFORMED BARS & WIRES FOR CONCRETE”

  1. How old steel we can use at site, means 1 year, 2 year, 3 year … I have 2.5 years old steel at site. At present condition is very bad, there is complete corrosion done in setel. Dia of steel 8mm, 12mm & 16mm respectively. Please give me suggestion for used & also suggest any chemical for removed corrosion from steel reinforcement.

    Reply
  2. dear mr.Kaushal ji, pl.refer IRC 112. the max 0.2 proof stress for FE 500 and Fe 500D are given as 545 565 Mpa respectively. Please incorporate the codal observation in your above table. I appreciate the wonderful work done by you to educate engineers in understanding the material properties in detail. Regards. K.Jagadeesh.

    Reply

Leave a Comment