Buland TMT
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Product Specification
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Buland TMT Bar Specification
 
Chemical Properties
Element
IS: 786-1985
specified
Buland TMT
F.e. 415
Buland TMT
F.e. 500
Carbon %
0.30 Max.
0.18 to 0.21
0.18 to 0.26
Manganese %
Not Specified
0.50 to 1.0
0.60 to 1.0
Sulphur & Phosphorus %
0.11 Max.
105 Max.
105 Max.
Carbon Equivalent %
0.42 Max
0.25 to 0.40
0.30 to 0.45
 
Mechanical Properties
Property
IS: 1786-1985
(Fe 415) Gr.
Buland TMT Bar Values
Fe 500 Grade
Buland TMT Values
0.2% Proof Stress
415 Min.
440-490
500 Min.
520-570
Tensile Strength (Mpa)
485 Min.
542 Min.
545 Min.
600-700
Elongation%
14.5 Min.
17-30
12 Min.
15-20
 
Requirement for Bond
Deformation and Surface Characteristics (Mean Project Area)
Size of TMT Bar
IS : 1786 Specified
Buland TMT Bars
 
Ar Value (min.)
Ar Value (50% More)
8mm
0.96 mm2/mm
Above 1.4 mm2/mm
10mm
1.2 mm2/mm
Above 1.8 mm2/mm
12mm
1.8 mm2/mm
Above 2.7 mm2/mm
16mm
2.4 mm2/mm
Above 3.6 mm2/mm
20mm
3.4 mm2/mm
Above 5.1 mm2/mm
25mm
4.25 mm2/mm
Above 6.3 mm2/mm
28mm
4.76 mm2/mm
Above 7.1 mm2/mm
32mm
5.44 mm2/mm
Above 8.1 mm2/mm
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