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TMT

SPECIFICATIONS

AS PER IS 1786:2008

CHEMICAL PROPERTIES

Chemical Composition Fe-550 Fe-500D
Carbon 0.30 0.25
Sulphur (% max) 0.055 0.040
Phosphorous (% max) 0.050 0.040
Sulphur + Phosphorus (% max) 0.100 0.075
Carbon Equivalent (CEQ) (% max) 0.42 0.42
Manganese (% min) 0.50 0.50


PHYSICAL PROPERTIES

Mechanical Properties Fe-550 (Minimum) Fe-500D (Minimum)
Yield Stress 550 N/mm2 550 N/mm2
Tensile Strength 585 N/mm2 565 N/mm2
UTS / YS Ratio 1.06 1.10
Elongation 10% 16%
Total Elongation at Maximum Force - 5%


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

* Section weights per meter are standard for both Fe-500D & Fe-550.