TMT

SPECIFICATIONS

  AS PER IS 1786:2008

CHEMICAL PROPERTIES

Chemical Composition Fe-500
Carbon 0.30
Manganese (% min) 0.50
Sulphur (% max) 0.055
Phosphorous (% max) 0.055
Sulphur + Phosphorus (% max) 0.105
Carbon Equivalent (CEQ) (% max) 0.42

PHYSICAL PROPERTIES

Mechanical Properties Fe-500 (Minimum)
Yield Stress 500 N / mm 2
Tensile Strength 545 N / mm 2
UTS / YS Ratio 1.08
Elongation 12%


SECTION WEIGHTS PER METER

Size Median Weight(in KGs) BIS Range(Min - Max)
8 0.395 0.367 - 0.423
10 0.617 0.574 - 0.660
12 0.888 0.844 - 0.932
16 1.578 1.499 - 1.657
20 2.466 2.392 - 2.540
25 3.854 3.738 - 3.970
32 6.313 6.124 - 6.502


MANDREL SELECTION GUIDE FOR REBAR BENDING AS PER BIS CODE:

BEND TEST MANDREL SIZE FOR BEND TEST (Fe-500)
Up to & Including 20 mm 4 X Normal Dia
Over 20 mm 5 X Normal Dia

RE BEND TEST MANDREL SIZE FOR RE BEND TEST (Fe-500 & 415)
Up to & Including 10 mm 5 X Normal Dia
Over 10 mm 7 X Normal Dia
NORMAL SIZE BEND TEST RE BEND TEST
8 mm 8 x 4 = 32 8 x 5 = 30
10 mm 10 x 4 = 40 10 x 5 = 50
12 mm 12 x 4 = 48 12 x 7 = 84
16 mm 16 x 4 = 64 16 x 7 = 112
20 mm 20 x 4 = 100 20 x 7 = 140
25 mm 25 x 5 = 125 25 x 5 = 175
8 mm 8 x 4 = 32 8 x 5 = 30