| Chemical Properties | |
|---|---|
|
Element (%) |
IS 1786:2008
Blue Lines TMT
Grade Fe 550D
Grade Fe 550D
|
|
Carbon (max) |
0.25
0.16-0.22
|
|
Sulphur (max) |
0.040
0.035
|
|
Phosphorus (p)(max) |
0.040
0.035
|
|
S & P (max) |
0.075
0.070
|
| Mechanical Properties | |
|---|---|
|
Element (%) |
IS 1786:2008
Blue Lines TMT
Grade Fe 550D
Grade Fe 550D
|
|
Yield Strength/ 0.2% Proof Strength (Min, N/mm²) |
550
570-620
|
|
UTS Ultimate Tensile Strength (Min., N/mm²) |
600
670-770
|
|
% Elongation |
14.5
16
|
|
UTS /YS Ratio |
1.08
1.15-1.22
|
| Weight Tolerance | |||
|---|---|---|---|
|
Size of bar (mm) |
Cross Sectional Area (mm2) |
IS 1786:2008 I.S. Lower limit I.S. Standard limit I.S. Upper Limit
|
Blue Lines TMT Per Meter Weight (Kg)
|
|
8 mm |
50.3 |
0.367 0.395 0.423
|
0.375-0.405
|
|
10 mm |
78.6 |
0.574 0.617 0.660
|
0.580-0.620
|
|
12 mm |
113.1 |
0.844 0.888 0.932
|
0.850-0.900
|
|
16 mm |
201.2 |
1.501 1.580 1.659
|
1.520-1.600
|
|
20 mm |
314.3 |
2.396 2.470 2.544
|
2.421-2.519
|
|
25 mm |
491.1 |
3.735 3.850 3.966
|
3.773-3.927
|
|
32 mm |
804.6 |
6.121 6.310 6.499
|
6.200-6.373
|
