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Contact SupplierOur TMT Bars showcase excellent resistance to corrosion and abrasion. We make available TMT Bars in varying length sizes (5m-15m) and varying diameter sizes (6mm-40mm) and these specifications can be customized as well.
Features of TMT Bars :
Specialties :
| Properties/Composition | India (IS 1786) | Kamdhenu Tmt | American (ASTM A 615) | Euro (DIN 488) |
| Mechanical Properties | Grade Fe - 415 | Grade Fe - 415 - K | Grade 40 (300) | Bst 420 - S |
| Proof Stress (Min.) | 415 N/Mm2 | 450 N/Mm2 | 300 Mpa | 420 Mpa |
| Tensile Strength (Min.) | 485 N/Mm2 | 520 N/Mm2 | 500 Mpa | 500 Mpa |
| Elongation (Min.) | 0.15 | 0.18 | 0.12 | 0.1 |
| Mandrel Dia For Bend Test | Upto & Including 20 Mm-3d Over 20mm-4d | Upto & Including 20 Mm-2d Over 20mm-3d | 10 To 16 Mm-3.5d Upto 20 Mm-5-D | 6 To 12 Mm-5d 14 To 16 Mm-6d 20 To 28 Mm-6d |
| Chemical Composition (%) | ||||
| Carbon | 0.30 Max. | 0.30 Max. | 0.24-0.33 % | 0.22 Max. |
| Sulphur | 0.06 Max. | 0.06 Max. | 0.05 Max. | 0.05 Max. |
| Phosphorus | 0.06 Max. | 0.06 Max. | 0.06 Max. | 0.05 Max. |
| S+P | 0.11 Max. | 0.105 Max. | 0.110 Max. | 0.100 Max. |
| Mechanical Properties | Grade Fe - 500 | Grade Fe - 500-K | Grade 60 (420) | Bst 500-S< |
| Proof Stress (Min.) | 500 N/Mm2 | 530 N/Mm2 | 420 Mpa | 500 Mpa |
| Tensile Strength (Min.) | 545 N/Mm2 | 585 N/Mm2 | 620 Mpa | 550 Mpa |
| Elongation(Min.) | 0.12 | 0.16 | 0.09 | 0.1 |
| Mandrel Dia For Bend Test | Upto & Including 20 Mm-4d Over 20mm-5d | Upto & Including 20 Mm-3d Over 20mm-4d | 10 To 16 Mm-3.5d 20 Mm To 25mm-5d 28 Mm To 32mm-7d | 6 To 12 Mm-5d 14 To 16 Mm-6d 20 To 28 Mm-6d |
| Chemical Composition (%) | ||||
| Carbon | 0.30 Max. | 0.25 Max. | 0.30-0.40% | .22 Max. |
| Sulphur | 0.055 Max. | 0.05 Max. | 0.05 Max. | 0.05 Max |
| Phosphorus | 0.055 Max. | 0.05 Max. | 0.05 Max. | 0.05 Max |
| S+P | 0.105 Max. | 0.100 Max. | 0.100 Max. | 0.100 Max. |
| Mn. | - | 0.5 Min. | 0.60 Min. | - |
| Si. | - | 0.4 Max. | 1.30-1.60 | - |
| Mechanical Properties | Grade Fe- 550 | Grade Fe- 550-K | Grade 75 (520) | Bst 500-M |
| Proof Stress (Min.) | 550 N/Mm2 | 575 N/Mm2 | 520 Mpa | 500 Mpa |
| Tensile Strength (Min.) | 585 N/Mm2 | 650 N/Mm2 | 690 Mpa | 550 Mpa |
| Elongation (Min.) | 0.08 | 0.14 | 0.07 | 0.08 |
| Mandrel Dia For Bend Test | Upto & Including 20 Mm-5d Over 20mm-6d | Upto & Including 20 Mm-4d Over 20mm-5d | 6 To 25 Mm-5d Above 20 Mm-7d | 6 D |
| Chemical Composition (%) | ||||
| Carbon | 0.30 Max. | 0.25 Max. | 0.30-0.40 | 0.022 Max. |
| Sulphur | 0.055 Max. | 0.050 Max. | 0.05 Max. | 0.050 Max. |
| Phosphorus | 0.050 Max. | 0.045 Max. | 0.05 Max. | 0.050 Max. |
| S+P | 0.100 Max. | 0.090 Max. | 0.100max. | 0.100 Max. |
| Mn. | - | 0.5 Min. | 1.30-1.60 | - |
| Si. | - | 0.4 Max. | 1.30-1.60 | - |