Water-bearing steel tubes
| EN 10255 M and EN 10255 H
Steel pipes seamless and welded | ||||||||
|---|---|---|---|---|---|---|---|---|
| EN 10255 M | Medium series | |||||||
| EN 10255 H | Heavy series | |||||||
| Scope of applications | transport of liquids, air and non-hazardous gases | |||||||
| Material number/EN | S 195T | |||||||
| Delivery length | ||||||||
| seamless | 1/4“ up to 6“ | 6 m | ||||||
| Other lengths on request | ||||||||
| welded | 1/4“ up to 6“ | 6 m | ||||||
| 1 1/4“ up to 2“ 8 m | ||||||||
| Length tol. | ||||||||
| seamless | +/- 500 mm | |||||||
| welded | + 150 mm /-50 mm | |||||||
| Tolerance of the wall thickness | -12,5 % | |||||||
| Tolerances of the weight | +/- 10% for the single tube | |||||||
| +/- 7,5% for loads ≥ 10 to | ||||||||
| Leak test | Cold water test with 50 bar or eddy current test | |||||||
| Bending test | ø | 17,2 | 21,3 | 26,9 | 33,7 | 42,4 | 48,3 | 60,3 |
| (up to 90°/values in mm) | r | 50 | 65 | 85 | 100 | 150 | 170 | 220 |
| Galvanizing | ||||||||
| EN 10240 | layer thickness min. 55 my/400 g/m³ | |||||||
| Drinking water class A1 | ||||||||
| Marking | ||||||||
| black | die stamp (manufacturer) | |||||||
| galvanized | Colour marked (manufacturer and standard) | |||||||
| Drinking water | additional marks EN 10240 A1 | |||||||
| Certification | ||||||||
| Mill's certificate | EN 10204-2.2 + CE-sign | |||||||
| EN 10224
Water line pipes of general structural steel seamless and welded | ||||||||
| Scope of applications | Transport of water and drinking water | |||||||
| Manufacturing process | ||||||||
| seamless | ||||||||
| welded | longitudinally or spirally welded | |||||||
| Werkstoffe Nr. /EN | 1.0252 | L 235 | ||||||
| 1.0419 | L 355 | |||||||
| Dimensions - seamless | DA 88,9 up to 508 mm | |||||||
| welded | DA 88,9 up to 2.020 mm | |||||||
| Wall thickness - seamless | up to 11 mm | |||||||
| welded | up to 17,5 mm | |||||||
| Delivery lengths - seamless | 5 to 7 m or double lengths | |||||||
| welded | 6 and 12 m, special length up to 16 m | |||||||
| Genaulänge | on request | |||||||
| Grades L 235 | Certification 2.2 | |||||||
| V =0,9 | ||||||||
| L 235 | Certification 3.1 | |||||||
| V =1,0 | ||||||||
| L 355 | Certification 3.1 | |||||||
| V =1,0 | ||||||||
| Certification Mill's certificate | EN 10204-2.2 or | |||||||
| Inspection certificate | EN 10204-3.1 | |||||||
| Marking | Manufacturer's sign, grade for 3.1 certification additionally inspector's mark and ID number | |||||||
