API 5L Line Pipes are steel pipes designed for the transportation of oil, gas, and fluids in pipelines, adhering to the American Petroleum Institute’s (API) standards. They come in various material grades and are known for their high strength, durability, and resistance to corrosion, making them suitable for demanding pipeline applications.
API 5L Line Pipe Manufcaturing Process
Specification of API 5L Line Pipe
OD: 1/8-26″
WT: SCH5S-XXS
LENGTH: FIXED LENGTH(5.8/6/11.8/12 M) OR Random length
外径尺寸和壁厚表(美标ANSI B36.10 B36.19M) Outside Diameter amd Wall Thikness
| Pipe Size | Outside Diameter | Norminal Wall Thickness | |||||||||||||||||
| NPS | DN | OD | SCH5s | SCHlOs | SCH10 | SCH20 | SHC30 | SCH40S | STD | SCH40 | SCH60 | SCH80S | XS | SCH80 | SCH100 | SCH120 | SCH104 | SCH160 | xxs |
| 1/8 | 6 | 10.3 | — | 1.24 | — | — | 1.73 | 1.73 | 1.73 | 2.41 | 2.41 | 2.41 | — | — | — | — | — | ||
| 1/4 | 8 | 13.7 | — | 1.65 | — | — | — | 2.24 | 2.24 | 2.24 | 3.02 | 3.02 | 3.02 | — | — | — | — | — | |
| 3/8 | 10 | 17.1 | — | 1.65 | — | — | — | 2.31 | 2.31 | 2.31 | — | 3.20 | 3.20 | 3.20 | — | — | — | — | |
| 1/2 | 15 | 21.3 | 1.65 | 2.11 | — | — | — | 2.77 | 2.77 | 2.77 | — | 3.73 | 3.73 | 3.73 | — | — | 4.78 | 7.47 | |
| 3/4 | 20 | 26.7 | 1.65 | 2.11 | — | — | — | 2.87 | 2.87 | 2.87 | — | 3.91 | 3.91 | 3.91 | — | — | — | 5.56 | 7.82 |
| 1 | 25 | 33.4 | 1.65 | 2.77 | — | — | — | 3.38 | 3.38 | 3.38 | — | 4.55 | 4.55 | 4.55 | — | — | — | 6.35 | 9.09 |
| 1 1/4 | 32 | 42.2 | 1.65 | 2.77 | — | — | — | 3.56 | 3.56 | 3.56 | — | 4.85 | 4.85 | 4.85 | — | — | — | 6.35 | 9.70 |
| 1 1/2 | 40 | 48.3 | 1.65 | 2.77 | — | — | — | 3.68 | 3.68 | 3.68 | — | 5.08 | 5.08 | 5.08 | — | — | — | 7.14 | 10.15 |
| 2 | 50 | 60.3 | 1.65 | 2.77 | — | — | — | 3.91 | 3.91 | 3.91 | — | 5.54 | 5.54 | 5.54 | — | — | 8.74 | 11.07 | |
| 2 1/2 | 65 | 73.0 | 2.11 | 3.05 | — | — | — | 5.16 | 5.16 | 5.16 | — | 7.01 | 7.01 | 7.01 | — | — | — | 9.53 | 14.02 |
| 3 | 80 | 88.9 | 2.11 | 3.05 | — | — | — | 5.49 | 5.49 | 5.49 | — | 7.62 | 7.62 | 7.62 | — | — | — | 11.13 | 15.24 |
| 3 1/2 | 90 | 101.6 | 2.11 | 3.05 | — | — | — | 5.74 | 5.74 | 5.74 | 8.08 | 8.08 | 8.08 | — | — | — | — | ||
| 4 | 100 | 114.3 | 2.11 | 3.05 | — | — | — | 6.02 | 6.02 | 6.02 | — | 8.56 | 8.56 | 8.56 | — | 11.13 | 13.49 | 17.12 | |
| 5 | 125 | 141.3 | 2.77 | 3.40 | — | — | — | 6.55 | 6.55 | 6.55 | — | 9.53 | 9.53 | 9.53 | 12.7 | — | 15.88 | 19.05 | |
| 6 | 150 | 168.3 | 2.77 | 3.40 | — | — | — | 7.11 | 7.11 | 7.11 | — | 10.97 | 10.97 | 10.97 | — | 14.27 | — | 18.26 | 21.95 |
| 8 | 200 | 219.1 | 2.77 | 3.76 | — | 6.35 | 7.04 | 8.18 | 8.18 | 8.18 | 10.31 | 12.70 | 12.70 | 12.70 | 15.09 | 18.26 | 20.62 | 23.01 | 22.23 |
| 10 | 250 | 273.1 | 3.4 | 4.19 | — | 6.35 | 7.8 | 9.27 | 9.27 | 9.27 | 12.70 | 12.70 | 12.70 | 15.09 | 18.26 | 21.44 | 25.4 | 28.58 | 25.4 |
| 12 | 300 | 323.9 | 3.96 | 4.57 | — | 6.35 | 8.38 | 9.53 | 9.53 | 10.31 | 14.27 | 12.70 | 12.70 | 17.48 | 21.44 | 25.4 | 28.58 | 33.32 | 25.4 |
| 14 | 350 | 355.6 | 3.96 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 11.13 | 15.09 | — | 12.70 | 19.05 | 23.83 | 27.79 | 31.75 | 35.71 | — | |
| 16 | 400 | 406.4 | 4.19 | 4.78 | 6.35 | 7.92 | 9.53 | 9.53 | 12.7 | 16.66 | — | 12.70 | 21.44 | 26.19 | 30.96 | 36.53 | 40.49 | — | |
| 18 | 450 | 457.2 | 4.19 | 4.78 | 6.35 | 7.92 | 11.13 | 9.53 | 14.27 | 19.05 | — | 12.70 | 23.83 | 29.36 | 34.96 | 39.67 | 45.24 | ||
| 20 | 500 | 508.0 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | — | 9.53 | 15.09 | 20.62 | — | 12.70 | 26.19 | 32.54 | 38.1 | 44.45 | 50.01 | — |
| 22 | 550 | 558.8 | 4.78 | 5.54 | 6.35 | 9.53 | 12.7 | — | 9.53 | — | 22.23 | — | 12.70 | 28.58 | 34.93 | 41.28 | 47.63 | 53.98 | — |
| 24 | 600 | 609.6 | 5.54 | 6.35 | 6.35 | 9.53 | 14.27 | — | 9.53 | 17.48 | 24.61 | — | 12.70 | 30.96 | 38.89 | 46.02 | 52.37 | 59.54 | |
| 26 | 650 | 660.4 | — | — | 7.92 | 12.7 | — | — | 9.53 | — | — | — | 12.70 | — | — | — | — | — | |
Tolerance
| Standard | Out Diameter | Wall Thickness | |
| API5L | Tolerance | Tolerance | |
| D<60.3 | +0.41mm, -0.80mm | +15.0%, -12.5% | |
| D≥260.3 | +0.75%D, -0.75%D | +15.0%, -12.5% | |
Chemical Composition & Mechanical Proporties
| Standard | Grade | Chemical Components (%) | Mechanical Properties | |||||
| C | Si | Mn | P | S | Tensile STrength(Mpa) | Yield STrengthfMpa} | ||
| API 5L PSL1 | A | 0.22 | – | 0.90 | 0.030 | 0.030 | ≥331 | ≥207 |
| B | 0.28 | – | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 | |
| X42 | 0.28 | – | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | |
| X46 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | |
| X52 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | |
| X56 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | |
| X60 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥517 | ≥448 | |
| X65 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥531 | ≥448 | |
| X70 | 0.28 | – | 1.40 | 0.030 | 0.030 | ≥565 | ≥483 | |
| API 5L PSL2 | B | 0.24 | 1.20 | 0.025 | 0.015 | ≥414 | ≥241 | |
| X42 | 0.24 | 1.30 | 0.025 | 0.015 | ≥414 | ≥290 | ||
| X46 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥434 | ≥317 | |
| X52 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥455 | ≥359 | |
| X56 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥490 | ≥386 | |
| X60 | 0.24 | 1.40 | 0.025 | 0.015 | ≥517 | ≥414 | ||
| X65 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥531 | ≥448 | |
| X70 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥565 | ≥483 | |
| X80 | 0.24 | – | 1.40 | 0.025 | 0.015 | ≥621 | ≥552 | |
Packaged either in bundles or in bulk, the ends are sealed with plastic caps and wrapped in waterproof paper.
We are capable of manufacturing structural pipes in various sizes, adhering to European, Chinese, American, and Japanese standards. Our production offers swift delivery and flexible payment terms. Stringent control measures are in place throughout all stages of tube production to ensure high-quality standards. Every tube undergoes thorough inspection prior to shipment, and we also welcome third-party inspections before delivery.
