Saiz paip talian API biasanya ditentukan oleh saiz paip nominal (NPS) atau diameter luar (OD) dan ketebalan dinding. NPS ialah sebutan angka piawai yang secara kasarnya menunjukkan saiz paip, manakala ketebalan OD dan dinding memberikan ukuran yang tepat. Biasanya, OD paip talian API berjulat dari 21.3mm hingga 1026mm dan ketebalan dinding berjulat dari 2.0mm hingga 120mm.
Saiz Paip API 5L dan Carta Jadual
| Diameter Luar OD (dalam) |
NPS (dalam) |
Jadual Paip | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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(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 paip | Jadual No | Diameter Luar, Inci | Ketebalan Dinding, inci | Berat Akhir Biasa, lb/ft | Diameter Luar, mm | Ketebalan Dinding, mm | Jisim Hujung Biasa, Kg/m |
|---|---|---|---|---|---|---|---|
| 1/8 | 40% 2fSTD | 0.405 Inci | 0.068 Inci | 0.24 | 10.3 mm | 1.73 mm | {0} 37 Kg/m |
| 1⁄4 | 40% 2fSTD | 0.540 Inci | 0.088 Inci | 0.43 | 13.7 mm | 2.24 mm | 0.63 Kg/m |
| 3⁄8 | 40% 2fSTD | 0.675 Inci | 0.091 Inci | 0.57 | 17.1 mm | 2.31 mm | 0.84 Kg/m |
| 1⁄2 | 40% 2fSTD | 0.840 Inci | 0.109 Inci | 0.85 | 21.3 mm | 2.77 mm | 1.27 Kg/m |
| 3⁄4 | 40% 2fSTD | 1.050 Inci | 0.113 Inci | 1.13 | 26.7 mm | 2.87 mm | 1.69 Kg/m |
| 1 | 40% 2fSTD | 1.315 Inci | 0.133 Inci | 1.68 | 33.4 mm | 3.38 mm | 2.50 Kg/m |
| 1-1⁄4 | 40% 2fSTD | 1.660 Inci | 0.140 Inci | 2.27 | 42.2 mm | 3.56 mm | 3.39 Kg/m |
| 1-1⁄2 | 40% 2fSTD | 1.900 Inci | 0.145 Inci | 2.72 | 48.3 mm | 3.68 mm | 4.05 Kg/m |
| 2 | 40% 2fSTD | 2.375 Inci | 0.154 Inci | 3.66 | 60.3 mm | 3.91 mm | 5.44 Kg/m |
| 2-1⁄2 | 40% 2fSTD | 2.875 Inci | 0.203 Inci | 5.80 | 73.0 mm | 5.16 mm | 8.63 Kg/m |
| 3 | 40% 2fSTD | 3.500 Inci | 0.216 Inci | 7.58 | 88.9 mm | 5.49 mm | 11.29 Kg/m |
| 4 | 40% 2fSTD | 4.500 Inci | 0.237 Inci | 10.80 | 114.3 mm | 6.02 mm | 16.08 Kg/m |
| 5 | 40% 2fSTD | 5.563 Inci | 0.258 Inci | 14.63 | 141.3 mm | 6.55 mm | 21.77 Kg/m |
| 6 | 40% 2fSTD | 6.625 Inci | 0.280 Inci | 18.99 | 168.3 mm | 7.11 mm | 28.26 Kg/m |
| 8 | 40% 2fSTD | 8.625 Inci | 0.322 Inci | 28.58 | 219.1 mm | 8.18 mm | 42.55 Kg/m |
| 10 | 40% 2fSTD | 10.750 Inci | 0.365 Inci | 40.52 | 273.0 mm | 9.27 mm | 60.29 Kg/m |
| 12 | 40 | 12.750 Inci | 0.406 Inci | 53.57 | 323.8 mm | 10.31 mm | 79.71 Kg/m |
| 14 | 40 | 14.000 Inci | 0.438 Inci | 63.50 | 355.6 mm | 11.13 mm | 94.55 Kg/m |
| 16 | 40 | 16.000 Inci | 0.500 Inci | 82.85 | 406.4 mm | 12.70 mm | 123.31 Kg/m |
| 18 | 40 | 18.000 Inci | 0.562 Inci | 104.76 | 457 mm | 14.27 mm | 155.81 Kg/m |
| 20 | 40 | 20.000 Inci | 0.594 Inci | 123.23 | 508 mm | 15.09 mm | 183.43 Kg/m |
| 24 | 40 | 24.000 Inci | 0.688 Inci | 171.45 | 610 mm | 17.48 mm | 255.43 Kg/m |
| 32 | 40 | 32.000 Inci | 0.688 Inci | 230.29 | 813 mm | 17.48 mm | 342.94 Kg/m |
| 34 | 40 | 34.000 Inci | 0.688 Inci | 245.00 | {} mm | 17.48 mm | 364.92 Kg/m |
| 36 | 40 | 36.000 Inci | 0.750 Inci | 282.62 | 914 mm | 19.05 mm | 420.45 Kg/m |





