BS 1387 : 1985 CLASS HEAVY BLACK & GALVANIZED STEEL PIPE
| CHEMICAL COMPOSITION | MECHANICAL PROPERTIES | HYDROSTATIC TEST(BAR) | PIPE THREADS | |||||
| C MAX % | Mn MAX % | P MAX % | S MAX % | TENSILE STRENGTH | YIELD STRENGTH | ELONGATION % | ||
| 0.20 | 1.20 | 0.045 | 0.045 | 320-460 N/mm2 | 195 N/mm2 | 20 | 50 | 55° |
| Nominal size (DN) |
Outside Diameter |
Wall Thickness |
Calculated Weight |
Threads Per 25.4 mm. | Number of piece per Bundle | ||||||||
| (Max) | (Min) | Plain Ends | Threads & Coupling | ||||||||||
| in | in | mm. | in | mm. | mm. | lb/ft | kg/ft | kg/m | lb/ft | kg/ft | kg/m | ||
| 1/2 (15) | 0.854 | 21.7 | 0.831 | 21.1 | 3.2 | 0.966 | 0.439 | 1.44 | 0.972 | 0.442 | 1.45 | 14 | 169 |
| 3/4 (20) | 1.071 | 27.2 | 1.047 | 26.6 | 3.2 | 1.254 | 0.570 | 1.87 | 1.261 | 0.573 | 1.88 | 14 | 127 |
| 1 (25) | 1.346 | 34.2 | 1.316 | 33.4 | 4.0 | 1.971 | 0.896 | 2.94 | 1.985 | 0.902 | 2.96 | 11 | 91 |
| 11/4 (32) | 1.685 | 42.9 | 1.657 | 42.1 | 4.0 | 2.548 | 1.158 | 3.80 | 2.568 | 1.167 | 3.83 | 11 | 61 |
| 11/2 (40) | 1.917 | 48.8 | 1.889 | 48.0 | 4.0 | 2.937 | 1.335 | 4.38 | 2.964 | 1.347 | 4.42 | 11 | 44 |
| 2 (50) | 2.394 | 60.8 | 2.354 | 59.8 | 4.5 | 4.151 | 1.887 | 6.19 | 4.198 | 1.908 | 6.26 | 11 | 37 |
| 21/2 (65) | 3.016 | 76.6 | 2.969 | 75.4 | 4.5 | 5.318 | 2.417 | 7.93 | 5.398 | 2.454 | 8.05 | 11 | 24 |
| 3 (80) | 3.523 | 89.5 | 3.469 | 88.1 | 5.0 | 6.907 | 3.139 | 10.3 | 7.041 | 3.200 | 10.5 | 11 | 19 |
| 4 (100) | 4.523 | 114.9 | 4.459 | 113.3 | 5.4 | 9.723 | 4.420 | 14.5 | 9.924 | 4.511 | 14.8 | 11 | 14 |
| 5 (125) | 5.535 | 140.6 | 5.459 | 138.7 | 5.4 | 12.003 | 5.456 | 17.9 | 12.338 | 5.608 | 18.4 | 11 | 7 |
| 6 (150) | 6.539 | 166.1 | 6.459 | 164.1 | 5.4 | 14.283 | 6.492 | 21.3 | 14.685 | 6.675 | 21.9 | 11 | 7 |
| DIMENSION TOLERANCE | |||||
| WELL THICKNESS : | - 10% + NOT LIMIT | ||||
| WEIGHT | : | ± 4% PER BUNDLE (OVER 500 ft) | |||
| : | + 10%, - 8% PER PIECE | ||||
| LENGTH | : | + 50 mm. , - 0 mm. | |||
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