EN 10208-2 Seamless Pipes
UNI EN 10208-2 Material
BS EN 10208 Pipe
| application: | distribution of combustible media with determined pressure (previously DIN 17172) | |||||||||||||||||||||
| production method: | – seamless: S – seamed: HFW high frequency welding SAW powder welding COW combined welding Fusion welds of strip joining for spiral pipes are acceptable after agreement |
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| grade: seamed and seamless: |
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| grade: seamless: |
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| grade: seamless: |
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| outer diameter: | Ø 33,7 up to 1.626 mm (seamless up to 660 mm) | |||||||||||||||||||||
| wall thickness: | up to 40 mm | |||||||||||||||||||||
| pipes type and production running: | see UNI 10208-2 Table 2 | |||||||||||||||||||||
| diameter and ovality tolerance: | see DIN 10208-2 Table 9 | |||||||||||||||||||||
| wall thickness tolerance: | see EN 10208-2 Table 10 | |||||||||||||||||||||
| max. value of fusion weld excedance: | see 10208-2 Table 15 | |||||||||||||||||||||
| straightness: | 0,2 % along whole length, locally < 4 mm/m | |||||||||||||||||||||
| PE coating: | EN 10285 or 10287 in 3-layer extrusion moulding or surfacing by welding method |
En 10208-2 Steel Pipes
EN 10208-2 L 450MB steel Pipes
EN 10208 carbon steel pipes
L245NB 10208-2 SSAW Pipes 1016mm x 12.5mm PE
10208-2 L 245MB steel pipes
EN 10208-2 L245MB seamless steel pipes
En 10208-2 Steel Tubes
UNI 10208-2 Hot Rolled Seamless steel pipes
| Number No. | Grade | Grade | Yield point |
Tensile strength |
Ultimate longitudinal |
Impact strength | Carbon |
| elongation | at bending | equivalent | |||||
| EN10208-2 Hot Rolled Seamless Tube | |||||||
| 1.0457 | L 245 NB | StE 240.7 | 245-440 | 415 | 22 | 40 | 0,42 |
| 1.0484 | L 290 NB | StE 290.7 | 290-440 | 415 | 21 | 40 | 0,42 |
| 1.0582 | L 360 NB | StE 360.7 | 360-510 | 460 | 20 | 40 | 0,45 |
| 1.8972 | L 415 NB | StE 415.7 | 415-565 | 520 | 18 | 40 | w/uzg |
| 1.8948 | L 360 QB | 360-510 | 460 | 20 | 40 | 0,42 | |
| 1.8947 | L 415 QB | 415-565 | 520 | 18 | 40 | 0,43 | |
| 1.8952 | L 450 QB | 450-570 | 535 | 18 | 40 | 0,45 | |
| 1.8955 | L 485 QB | 485-605 | 570 | 18 | 46 | 0,45 | |
| 1.8957 | L 555 QB | 555-675 | 625 | 18 | 61 | w/uzg | |
| 1.0418 | L 245 MB | – | 245-440 | 415 | 22 | 40 | 0,4 |
| 1.0429 | L 290 MB | StE290.7 TM | 290-440 | 415 | 21 | 40 | 0,4 |
| 1.0578 | L 360 MB | StE360.7 TM | 360-510 | 460 | 20 | 40 | 0,41 |
| 1.8973 | L 415 MB | StE415.7 TM | 415-565 | 520 | 18 | 40 | 0,42 |
| 1.8975 | L 450 MB | StE445.7 TM | 450-570 | 535 | 18 | 40 | 0,43 |
| 1.8977 | L 485 MB | StE480.7 TM | 485-605 | 570 | 18 | 46 | 0,43 |
| 1.8978 | L 555 MB | 555-675 | 625 | 18 | 61 | w/uzg | |
| Steel designation | Pipes body (seamless pipes and welded pipes) | Spiral weld | Whole pipes | ||||
|---|---|---|---|---|---|---|---|
| HFW, SAW, COW | SAW, COW | ||||||
| Steel symbol | Plastic limit R 10,5N/mm 2 | Tensile strength R mN/mm 2min. | R10,5/RmMax | Elongation A% min. | Tensile strength R mN/mm 2min | Diameter of the bending mandrel bar in the bending test | Pressure water test |
| L245NB L245MB |
245 to 440 | 415 | 0,80 0,85 |
22 | The same values as for the pipes body apply | 3T | Every pipes should be subject to the test and it should be free of any leaks or deformations |
| L290NB L290MB |
290 to 440 | 415 | 0,85 0,85 |
21 | 3T | ||
| L360NB L360QB L360MB |
360 to 510 | 460 | 0,85 0,88 0,85 |
20 | 4T | ||
| L415NB L415QB L415MB |
415 to 565 | 520 | 0,85 0,88 0,85 |
18 | 5T | ||
| L450QB L450MB |
450 to 570 | 535 | 0,90 0,87 |
18 | 6T | ||
| L485QB L485MB |
485 to 605 | 570 | 0,90 0,90 |
18 | 6T | ||
| L555QB L555MB |
555 to 675 | 625 | 0,90 0,90 |
18 | 6T | ||
| Coefficient of thermal expansion | 1.08E-5 1/K at -100 °C |
| Density | 7.85 g/cm³ at 20 °C |
| Elastic modulus | 217 GPa at -100 °C |
| Grade | Permissible yield point ratio | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| L245NB | ≤ 0.85 | 240 | 370 - 490 | 24 |