Rebar

Rebar, known when massed as reinforcing steel or reinforcement steel, is a steel bar or mesh of steel wires used as a tension device in reinforced concrete and reinforced masonry structures to strengthen and aid the concrete under tension. Concrete is strong under compression, but has weak tensile strength.

Rebar Chemical Specification

Item NO. Properties Typical
1 Material ST5SP
2 C % 0.37 Max
3 Si % 0.30 Max
4 Mn % 0.45 Max
5 P % 0.040 Max
6 S % 0.050 Max
7 Cr % 0.3 Max
7 Ni % 0.3 Max

Rebar Mechanical Specification

Item NO. Properties Typical
1 Grade of steel AJ-340
AJ-400
AJ-500/520
2 Yield Stength 350 – 405
415 – 525
520 – 600
3 Ultimate Tensile
Strength (Mpa)
480 – 600
595 – 710
645 – 780
4 Yield Strength
(Mpa)
19 – 23
17 – 19
16 – 17
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