Answer Posted / sjtbehera

it is grade of bar ehich is standardise below

Description
Standard
IS:1786, Fe 415


0.2% proof stress, min, N/mm2
415.0

Ultimate tensile strength, min N/mm2
485.0
%Elongation, min
14.5 18.0 14.5
Bend
3D
Reben
5D to 7D




ASTM
A615M
Gr. 60(420)
ASTM
A615M
Gr. 75(520)
BS
4449
Gr. 460 IS:1786
Gr.Fe-500 Shyam 500
TMT Re-Bars
Tensile Strength,
N/mm2, min
620
690
506
545.0
640

Yield Strength,
N.mm2, min 500.0
% Elongation, min 7-9*


(
* The gauge length for ASTM Standards in 200mm where as for
BS and Indian Standards

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