TUBES FOR MICROPILES
The most common uses and applications are:
- Building refurbishments
-
- Underpinnings
- Reinforcement of foundations in building extensions
- Deep foundations in plots of land
- Underpinning and propping of existing foundations for basement excavation
- Diaphragm walls in confined spaces
- Roadway slope stabilisation
- Umbrella pipes for tunnel mouths
- Deep foundations
- Solar and thermosolar plant foundations
- Wind farm foundations
Technical specifications
CHARACTERISTICS
- Length up to 12 metres
- Yield point ≥ 552 Mpa
- Tensile strength ≥ 689 Mpa
- External tolerance Ø ± 1%
- Thickness tolerance ± 12.5%
- Suitable for welding
According to needs
THREADED CONNECTIONS
We deliver the pipes with different joints taking into account the needs of each client and each project:
Male – Female
Male – Male / Outer Sleeve
Female – Female / Inner Sleeve
We supply 4 threads per inch of 60 mm length square profile screw threads.
As an alternative option, we also offer special screw threads of:
- Double inlet, specifically for umbrella pipes in tunnels
- Round profile
- Made to measure thread length
Technical table
Dimensions
| Measurement | Section | Weight | Load |
|---|---|---|---|
| Diameter x thickness (mm) | (cm2) | (kg/m) | (Tonne) |
| 60,3 x 5,5 | 9,47 | 8 | 28 |
| 73 x 6 | 12,63 | 11 | 37 |
| 88,9 x 7 | 18,01 | 14 | 50 |
| 88,9 x 9 | 22,59 | 19 | 64 |
| 101,6 x 7 | 20,80 | 17 | 59 |
| 101,6 x 9 | 26,18 | 21 | 72 |
| 114,3 x 7 | 23,60 | 19 | 66 |
| 114,3 x 8 | 26,72 | 22 | 73,74 |
| 114,3 x 9 | 29,77 | 24 | 83 |
| 127 x 9 | 33,36 | 28 | 94 |
| 139,7 x 9 | 36,95 | 31 | 106 |
| 139,7 x 11 | 44,48 | 36 | 122,75 |
| 177,8 x 9 | 47,73 | 38 | 131,73 |
| 177,8 x 10,5 | 55,19 | 44,50 | 152,32 |
* For other measures, please enquire.
Technical table
Steel Grades
| EN 10025 | API 5CT | Yield point min. | Tensile strength | Min. elongation |
|---|---|---|---|---|
| N/mm2 | N/mm2 | % | ||
| S235 | – | 235 | 340-470 | 26 |
| S275 | – | 275 | 410-560 | 22 |
| S355 | – | 355 | 490-630 | 22 |
| – | J55 | 379 | 517 | 24 |
| – | K55 | 379 | 655 | 19 |
| – | N80 | 552-758 | 689 | 18 |
* This table shows the most common steel grades and their mechanical characteristics.
Technical table
Dimensions
| Diameter (mm) | Thickness (mm) | Section (mm²) | Moment of inertia I (cm⁴) | Resistance modulus W (cm³) | Compression load (Ton) | Weight (Kg/m) |
|---|---|---|---|---|---|---|
| 60,3 | 5 | 1.262,91 | 71,66 | 19,63 | 35,36 | 8,00 |
| 73 | 6 | 1.451,40 | 80,17 | 21,97 | 40,64 | 11,00 |
| 88,9 | 7 | 1.801,06 | 152,6 | 34,33 | 50,43 | 14,00 |
| 88,9 | 8 | 2.033,00 | 167,97 | 37,79 | 56,12 | 16,00 |
| 88,9 | 9 | 2.259,10 | 183,15 | 41,2 | 63,25 | 19,00 |
| 101,6 | 7 | 2.080,34 | 234,74 | 46,21 | 58,25 | 17,00 |
| 101,6 | 9 | 2.618,18 | 284,18 | 55,94 | 73,31 | 21,00 |
| 114,3 | 7 | 2.359,63 | 342,12 | 59,86 | 66,07 | 19,00 |
| 114,3 | 8 | 2.672,00 | 379,49 | 66,4 | 73,74 | 21,00 |
| 114,3 | 9 | 2.977,26 | 416,99 | 72,96 | 83,36 | 24,00 |
| 127 | 9 | 3.336,34 | 585,93 | 92,27 | 92,08 | 28,00 |
| 139,7 | 8 | 3.310,00 | 720,29 | 103,12 | 91,36 | 27,00 |
| 139,7 | 9 | 3.695,42 | 795,36 | 113,87 | 103,47 | 31,00 |
| 139,7 | 11 | 4.448,00 | 927,58 | 132,8 | 122,75 | 36,00 |
| 139,7 | 12 | 4.814,13 | 993,14 | 142,18 | 134,8 | 38,00 |
| 152,4 | 9 | 4.054,50 | 1.049,63 | 137,75 | 113,53 | 32,00 |
| 152,4 | 10 | 4.473,58 | 1.143,16 | 150,02 | 125,26 | 36,00 |
| 168,3 | 9 | 4.504,05 | 1.437,85 | 170,87 | 126,11 | 36,00 |
| 177,8 | 9 | 4.772,66 | 1.710,14 | 192,37 | 133,63 | 40,00 |
| 177,8 | 11 | 5.449,60 | 1.923,25 | 216,34 | 152,59 | 46,00 |
| 177,8 | 12 | 6.251,00 | 2.159,06 | 242,86 | 172,51 | 51,00 |
| 193,7 | 12 | 7.201,00 | 3.296,49 | 324,78 | 198,73 | 54,00 |
* For other measures, please enquire.
Technical table
Steel Grades
| Grade | Standard | Minimum yield strength (MPa) | Tensile Strength (MPa) | Minimum Elongation (%) |
|---|---|---|---|---|
| N80 | API 5CT | 552 | 689 | 18 |
| J55 | API 5CT | 379 | 517 | 24 |
| K55 | API 5CT | 379 | 655 | 19 |
| S550 | EN 10219 | 550 | 600-760 | 14 |
| S355 | EN 10219 | 355 | 490-630 | 22 |
| S275 | EN 10219 | 275 | 410-560 | 22 |
| S235 | EN 10219 | 235 | 340-470 | 26 |
* This table shows the most common steel grades and their mechanical characteristics.