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SPONGE IRON SPECIFICATIONS : | ||
LUMP | FINES | |
Size | (3-20)mm | (0-3)mm |
Fe(Metallic) | 80 +/- 2 % | 76 +/- 2 % |
Fe(Total) | 90 +/- 2 % | 86 +/- 2 % |
Carbon | 0.12 - 0.20 % | 0.20 - 0.40 % |
Sulphur | 0.030 % Max | 0.040 % Max |
Phosphorous | 0.050 % Max | 0.060 % Max |
C.Gangue (SiO2+Al2O3+CaO+MgO) |
5 % Max | 7 % Max |
Non Mag | 1 % Max. | 2 % Max. |
Bulk Density | 1.7 - 1.9 T/M3 | 2.0 - 2.20 T/M3 |
Size | 100*100*6000mm130*130*6000mm | ||
Carbon | 0.18 - 0.25 % | ||
Sulphur | 0.025 - 0.040 % | ||
Phosphorous | 0.040 - 0.060 % | ||
Manganese | 0.50 - 0.60 % | ||
Silicon | 0.18 - 0.25 % | ||
Carbon equivalent | 0.31 - 0.33 % |
TMT BAR
TMT BAR SIZES :
SPECIFICATION OF TMT BARS WEIGHTS (Kg/Mtr) | |||||
SIZE | IS-1786:2008 | Simhadri TMT | |||
Std | Min | Max | Min | Max | |
8mm | 0.4 | 0.37 | 0.42 | 0.39 | 0.4 |
10mm | 0.62 | 0.57 | 0.66 | 0.61 | 0.62 |
12mm | 0.89 | 0.84 | 0.93 | 0.87 | 0.9 |
16mm | 1.58 | 1.5 | 1.66 | 1.55 | 1.59 |
20mm | 2.47 | 2.39 | 2.54 | 2.42 | 2.49 |
25mm | 3.85 | 3.74 | 3.97 | 3.78 | 3.89 |
28mm | 4.84 | 4.69 | 4.98 | 4.74 | 4.88 |
32mm | 6.32 | 6.13 | 6.51 | 6.19 | 6.38 |
MECHANICAL PROPERTIES OF TMT BARS IS SPECIFICATION FOR TMT BARS
SPECIFICATION OF TMT BARS CHEMICAL PROPERTIES (%) | |||||||
Parameter | IS-1786:2008 | Simhadri TMT | |||||
Fe-415 | Fe-500 | Fe-500D | Fe-415 | Fe-500 | Fe-500D | HSCRM | |
Yield Stress(N/mm2) | 415 | 500 | 500 | 430-490 | 520-560 | 520-560 | 520-580 |
Ultimate Tensile Strength (N/mm2) | 485 | 545 | 565 | 500-560 | 600-680 | 600-680 | 600-690 |
Elongation(%) | 14.5 | 12 | 16 | 20-25 | 18-24 | 18-24 | 18-24 |
Total Elongation @ Max Force(%) | - | - | 5 | - | - | 08/10/18 | 08/10/18 |
Ration (UTS/YS) | 1.16 | 1.09 | 1.13 | 1.15-1.25 | 1.13-1.22 | 1.14-1.25 | 1.18-1.25 |
SEIL CHEMICAL COMPOSITION FOR TMT BARS
SPECIFICATION OF TMT BARS CHEMICAL COMPOSITION (%) | |||||||
Parameter | IS-1786:2008 | Simhadri TMT | |||||
Fe-415 | Fe-500 | Fe-500D | Fe-415 | Fe-500 | Fe-500D | HSCRM | |
Carbon (C) | 0.3 | 0.3 | 0.25 | 0.18 - 0.25 | 0.18 - 0.23 | 0.16 - 0.22 | 0.18 - 0.22 |
Sulphur (S) | 0.06 | 0.06 | 0.04 | 0.035-0.055 | 0.025-0.050 | 0.020-0.035 | 0.025-0.045 |
Phosphorus (P) | 0.06 | 0.06 | 0.04 | 0.035-0.055 | 0.035-0.050 | 0.025-0.035 | 0.035-0.050 |
Sulphur + Phosphorus(S+P) | 0.11 | 0.11 | 0.08 | 0.070-0.11 | 0.060-0.100 | 0.045-0.070 | 0.060-0.095 |
Carbon Equivalent (CE) | 0.42 | 0.42 | 0.42 | 0.26-0.37 | 0.26-0.35 | 0.26-0.32 | 0.30-0.45 |
Chromium(Cr) | 0.40-0.65 | ||||||
Copper(Cu) | 0.20-0.30 | ||||||
Corrosion Resistance Element(P+Cr+Cu) | 0.75 |