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| IS: 4270 / 2001 |
| Nominal Bore | Outside Diameter | Wall Thickness | Normal
Weight Black Tubes |
|
| mm | mm | mm | Kg/mtr. | Mtrs./ ton |
| 100 | 114.3 | 5.0 | 13.48 | 74 |
| 125 | 141.3 | 5.0 | 16.80 | 59 |
| 150 | 168.3 | 5.0 | 20.13 | 49 |
| 175 | 193.7 | 5.4 | 25.10 | 40 |
| 200 | 219.1 | 5.4 | 28.46 | 35 |
| 225 | 244.5 | 6.0 | 35.29 | 28 |
| 250 | 273.1 | 7.1 | 46.57 | 21 |
| 300 | 323.9 | 7.1 | 55.47 | 18 |
| TOLERANCES: | |
| A. Outside Diameter of pipe: | ± 1.0% |
| B. Thickness: upto 406.4 mm OD |
+ 15% - 12.5 |
| C. Weight: Single Tube |
- 8% |
| D. Length: Unless Otherwise specified 4 to 7 mtr. |
+ 10% |
| PHYSICAL PROPERTIES | |||
| Grade | Y.S.(min.) Mpa (kg/mm²) |
T.S. (min) Mpa (kg/mm²) |
Percentage Elognation (min) 5.65 v S0 = GL |
| Fe 410 | 235 | 410 | 15% |
| Fe 450 | 275 | 450 | 13% |
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