Ukuran pipa jalur API biasanya ditentukan berdasarkan ukuran pipa nominal (NPS) atau diameter luar (OD) dan ketebalan dinding. NPS adalah sebutan numerik standar yang secara kasar menunjukkan ukuran pipa, sedangkan OD dan ketebalan dinding memberikan pengukuran yang tepat. Biasanya, OD pipa jalur API berkisar antara 21,3 mm hingga 1026 mm, dan ketebalan dinding berkisar antara 2,0 mm hingga 120 mm.
Bagan Ukuran dan Jadwal Pipa API 5L
| Diameter Luar OD (dalam) |
NPC (di dalam) |
Jadwal Pipa | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SCH 10 | SCH 20 | SCH 30 | SCH STD | SCH 40 | SCH 60 | SCH XS | SCH 80 | SCH 100 | SCH 120 | SCH 140 | SCH 160 | SCH XXS | ||
| Ketebalan Dinding(di dalam) | ||||||||||||||
| 0.405 | 1/8 | 0.068 | 0.068 | 0.095 | 0.095 | |||||||||
| 0.540 | 1/4 | 0.088 | 0.088 | 0.119 | 0.119 | |||||||||
| 0.675 | 3/8 | 0.091 | 0.091 | 0.126 | 0.126 | |||||||||
| 0.840 | 1/2 | 0.109 | 0.109 | 0.147 | 0.147 | 0.187 | 0.294 | |||||||
| 1.050 | 3/4 | 0.113 | 0.113 | 0.154 | 0.154 | 0.219 | 0.308 | |||||||
| 1.315 | 1 | 0.133 | 0.133 | 0.179 | 0.179 | 0.250 | 0.358 | |||||||
| 1.660 | 1 1/4 | 0.140 | 0.140 | 0.191 | 0.191 | 0.250 | 0.382 | |||||||
| 1.900 | 1 1/2 | 0.145 | 0.145 | 0.200 | 0.200 | 0.281 | 0.400 | |||||||
| 2.375 | 2 | 0.154 | 0.154 | 0.218 | 0.218 | 0.344 | 0.436 | |||||||
| 2.875 | 2 1/2 | 0.203 | 0.203 | 0.276 | 0.276 | 0.375 | 0.552 | |||||||
| 3.500 | 3 | 0.216 | 0.216 | 0.300 | 0.300 | 0.438 | 0.600 | |||||||
| 4.000 | 3 1/2 | 0.226 | 0.226 | 0.318 | 0.318 | |||||||||
| 4.500 | 4 | 0.237 | 0.237 | 0.337 | 0.337 | 0.438 | 0.531 | 0.674 | ||||||
| 5.563 | 5 | 0.258 | 0.258 | 0.375 | 0.375 | 0.500 | 0.625 | 0.750 | ||||||
| 6.625 | 6 | 0.280 | 0.280 | 0.432 | 0.432 | 0.562 | 0.719 | 0.864 | ||||||
| 8.625 | 8 | 0.250 | 0.277 | 0.322 | 0.322 | 0.406 | 0.500 | 0.500 | 0.594 | 0.719 | 0.812 | 0.906 | 0.875 | |
| 10.750 | 10 | 0.250 | 0.307 | 0.365 | 0.365 | 0.500 | 0.500 | 0.594 | 0.719 | 0.844 | 1.000 | 1.125 | 1.000 | |
| 12.750 | 12 | 0.250 | 0.330 | 0.375 | 0.406 | 0.562 | 0.500 | 0.688 | 0.844 | 1.000 | 1.125 | 1.312 | 1.000 | |
| 14.000 | 14 | 0.250 | 0.312 | 0.375 | 0.375 | 0.438 | 0.594 | 0.500 | 0.750 | 0.938 | 1.094 | 1.250 | 1.406 | |
| 16.000 | 16 | 0.250 | 0.312 | 0.375 | 0.375 | 0.500 | 0.656 | 0.500 | 0.844 | 1.031 | 1.219 | 1.438 | 1.594 | |
| 18.000 | 18 | 0.250 | 0.312 | 0.438 | 0.375 | 0.562 | 0.750 | 0.500 | 0.938 | 1.156 | 1.375 | 1.562 | 1.781 | |
| 20.000 | 20 | 0.250 | 0.375 | 0.500 | 0.375 | 0.594 | 0.812 | 0.500 | 1.031 | 1.281 | 1.500 | 1.750 | 1.969 | |
| 22.000 | 22 | 0.250 | 0.375 | 0.500 | 0.375 | 0.875 | 0.500 | 1.125 | 1.375 | 1.625 | 1.875 | 2.125 | ||
| 24.000 | 24 | 0.250 | 0.375 | 0.562 | 0.375 | 0.688 | 0.969 | 0.500 | 1.219 | 1.531 | 1.812 | 2.062 | 2.344 | |
| 30.000 | 30 | 0.312 | 0.500 | 0.625 | 0.375 | 0.500 | ||||||||
| 32.000 | 32 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | ||||||||
| 34.000 | 34 | 0.312 | 0.500 | 0.625 | 0.375 | 0.688 | ||||||||
| 36.000 | 36 | 0.312 | 0.500 | 0.625 | 0.375 | 0.750 | ||||||||
| 42.000 | 42 | 0.500 | 0.625 | 0.375 | 0.750 | |||||||||
| NPS pipa | Jadwal No | Diameter Luar, Inci | Ketebalan Dinding, inci | Berat Ujung Biasa, lb/ft | Diameter Luar, mm | Tebal Dinding, mm | Massa Ujung Biasa, Kg/m |
|---|---|---|---|---|---|---|---|
| 1/8 | 40% 2fSTD | 0,405 Inci | 0,068 Inci | 0.24 | 10,3 mm | 1,73mm | 0,37Kg/m |
| 1⁄4 | 40% 2fSTD | 0,540 Inci | 0,088 Inci | 0.43 | 13,7mm | 2,24mm | 0,63Kg/m |
| 3⁄8 | 40% 2fSTD | 0,675 Inci | 0,091 Inci | 0.57 | 17,1 mm | 2,31mm | 0,84Kg/m |
| 1⁄2 | 40% 2fSTD | 0,840 Inci | 0,109 Inci | 0.85 | 21,3 mm | 2,77mm | 1,27Kg/m |
| 3⁄4 | 40% 2fSTD | 1.050 Inci | 0,113 Inci | 1.13 | 26,7mm | 2,87mm | 1,69Kg/m |
| 1 | 40% 2fSTD | 1,315 Inci | 0,133 Inci | 1.68 | 33,4mm | 3,38mm | 2,50Kg/m |
| 1-1⁄4 | 40/STD | 1.660 Inci | 0.140 Inci | 2.27 | 42,2 mm | 3,56mm | 3,39Kg/m |
| 1-1⁄2 | 40% 2fSTD | 1.900 Inci | 0,145 Inci | 2.72 | 48,3 mm | 3,68mm | 4,05Kg/m |
| 2 | 40% 2fSTD | 2,375 Inci | 0,154 Inci | 3.66 | 60,3 mm | 3,91 mm | 5,44Kg/m |
| 2-1⁄2 | 40% 2fSTD | 2,875 Inci | 0,203 Inci | 5.80 | 73.0mm | 5,16mm | 8,63Kg/m |
| 3 | 40% 2fSTD | 3.500 Inci | 0,216 Inci | 7.58 | 88,9mm | 5,49mm | 11,29Kg/m |
| 4 | 40% 2fSTD | 4.500 Inci | 0,237 Inci | 10.80 | 114,3 mm | 6,02mm | 16,08Kg/m |
| 5 | 40% 2fSTD | 5,563 Inci | 0,258 Inci | 14.63 | 141,3 mm | 6,55 mm | 21,77Kg/m |
| 6 | 40% 2fSTD | 6,625 Inci | 0.280 Inci | 18.99 | 168,3 mm | 7,11 mm | 28,26Kg/m |
| 8 | 40% 2fSTD | 8,625 Inci | 0,322 Inci | 28.58 | 219,1 mm | 8,18mm | 42,55Kg/m |
| 10 | 40% 2fSTD | 10.750 Inci | 0,365 Inci | 40.52 | 273.0mm | 9,27mm | 60,29Kg/m |
| 12 | 40 | 12.750 Inci | 0,406 Inci | 53.57 | 323,8mm | 10,31 mm | 79,71Kg/m |
| 14 | 40 | 14.000 Inci | 0,438 Inci | 63.50 | 355,6mm | 11,13mm | 94,55Kg/m |
| 16 | 40 | 16.000 Inci | 0,500 Inci | 82.85 | 406,4 mm | 12,70mm | 123,31Kg/m |
| 18 | 40 | 18.000 Inci | 0,562 Inci | 104.76 | 457mm | 14,27mm | 155,81Kg/m |
| 20 | 40 | 20.000 Inci | 0,594 Inci | 123.23 | 508mm | 15,09 mm | 183,43Kg/m |
| 24 | 40 | 24.000 Inci | 0,688 Inci | 171.45 | 610mm | 17,48mm | 255,43Kg/m |
| 32 | 40 | 32.000 Inci | 0,688 Inci | 230.29 | 813mm | 17,48mm | 342,94Kg/m |
| 34 | 40 | 34.000 Inci | 0,688 Inci | 245.00 | 864 mm | 17,48mm | 364,92Kg/m |
| 36 | 40 | 36.000 Inci | 0,750 Inci | 282.62 | 914mm | 19,05mm | 420,45Kg/m |





