Η UOE LSAW σωλήνα χάλυβα mill features the most advanced technology and process, achieves high production efficiency, stable product quality and is equipped with complete inspection equipment. UOE mill adopts U & O forming, the formed pipes are welded inside through five internal welding stations with three wires, and welded outside through four external welding stations with three wires. In accordance with different requirements of the customers, the welded pipe can be expanded either by mechanical or hydrostatic expand to improve dimensional accuracy, and eliminate residual stress.
ΠΡΟΔΙΑΓΡΑΦΕΣ
Outside Diameter 508mm- 1118mm (20"- 44")
Wall Thickness: 6.0-25.4mm 1/4"-1"
Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length: 9-12.3m (30'- 40')
Grades: API 5L A-X90,GB/T9711 L190-L625
JOCE λαχανοσαλάτα Steel Pipe είναι μεγάλης διαμέτρου διαμήκη βυθισμένου τόξου συγκολλημένων (SAWL) γραμμή παραγωγής σωλήνων στην Κίνα. Ο μύλος υιοθετεί προοδευτική διαδικασία κάμψης, που χαρακτηρίζει ομοιόμορφα κατανεμημένη καταπόνηση σχηματισμού, υψηλή ομοιομορφία της διάστασης, άπειρη διακύμανση μεγέθη & ευρύ φάσμα poduct, και υψηλή ευελιξία, κ.λπ.
ΠΡΟΔΙΑΓΡΑΦΕΣ
Outside Diameter：Φ406mm- 1626mm (16" - 64" )
Wall Thickness：6.0- 75mm (1/4" - 3" )
Quality Standards：API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA
Length：3-12.5m ( 10'- 41' )
Grades：API 5L A-X100, GB/T9711 L190-L690
LSAW (Longitudinal double submerge arc welding) carbon steel pipe is a type of SAW pipe made of steel plates that were hot rolled by JCOE or UOE forming technology. JCOE technology represents the shaping and forming processes involved during manufacturing as well as the inner and outer welding and cold expansion carried out after welding.
LSAW pipe used to convey low pressure liquid or high pressure petroleum or natural gas, and can be also used widely in structural supports or foundation. The advantage for LSAW type is they could produce more thick wall thickness of pipes, maximum to 120mm.
Features:
- Large diameter steel pipes
- Thick walls
- High-Pressure resistance
- Low-temperature resistance
Tests:
- Chemical Component Analysis
- Mechanical Properties – Elongation, Yield Strength, Ultimate Tensile Strength
- Technical Properties – DWT Test, Impact Test, Blow Test, Flattening Test
- X-ray Test
- Exterior Size Inspection
- Hydrostatic Test
- UT Test
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από Διάμετρος |
Wall Πάχος (mm) |
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Ιντσα |
mm |
6.4 |
7.1 |
7.9 |
9,53 |
12,7 |
14.3 |
15.9 |
19.1 |
22.2 |
25,4 |
28,6 |
31,8 |
34,9 |
38.1 |
41.3 |
44.5 |
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16 |
406,4 |
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18 |
457 |
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20 |
508 |
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22 |
559 |
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24 |
610 |
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26 |
660 |
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28 |
711 |
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30 |
762 |
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32 |
813 |
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34 |
864 |
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36 |
914 |
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38 |
965 |
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40 |
1016 |
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42 |
1067 |
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44 |
1118 |
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46 |
1168 |
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48 |
1219 |
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52 |
1321 |
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56 |
1422 |
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60 |
1524 |
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64 |
1626 |
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Ανοχή Εξωτερική διάμετρος και πάχος τοιχώματος
| τύποι | Πρότυπο | |||||
| SY / T5040-2000 | SY / T5037-2000 | SY / T9711.1-1977 | ASTM A252 | AWWA C200-97 | API 5L PSL1 | |
| Tube τέλος OD απόκλισης | ± 0,5% D | ± 0,5% D | -0.79mm～+2.38mm | <± 0,1% T | <± 0,1% T | ± 1,6 χιλιοστά |
| πάχος τοιχώματος | ± 10,0% T | D <508 χιλιοστά, ± 12,5% T | -8%T～+19.5%T | <-12.5% T | -8%T～+19.5%T | 5,0 χιλιοστά <Τ <15,0 χιλιοστά, ± 0.11 |
| D> 508 χιλιοστά, ± 10,0% T | T≥15.0mm, ± 1,5 χιλιοστά | |||||
Χημική σύνθεση και μηχανικές ιδιότητες
| Πρότυπο | Βαθμός | Χημική Σύνθεση (max)% | Μηχανικές Ιδιότητες (min) | |||||
| C | Mn | Σι | μικρό | Π | Απόδοση Αντοχή (Mpa) | Αντοχή σε εφελκυσμό (Mpa) | ||
| GB / T700-2006 | ΕΝΑ | 0,22 | 1.4 | 0,35 | 0.050 | 0.045 | 235 | 370 |
| σι | 0.2 | 1.4 | 0,35 | 0.045 | 0.045 | 235 | 370 | |
| C | 0.17 | 1.4 | 0,35 | 0.040 | 0.040 | 235 | 370 | |
| ρε | 0.17 | 1.4 | 0,35 | 0.035 | 0.035 | 235 | 370 | |
| GB / T1591-2009 | ΕΝΑ | 0.2 | 1.7 | 0,5 | 0.035 | 0.035 | 345 | 470 |
| σι | 0.2 | 1.7 | 0,5 | 0.030 | 0.030 | 345 | 470 | |
| C | 0.2 | 1.7 | 0,5 | 0.030 | 0.030 | 345 | 470 | |
| BS EN10025 | S235JR | 0.17 | 1.4 | - | 0.035 | 0.035 | 235 | 360 |
| S275JR | 0,21 | 1.5 | - | 0.035 | 0.035 | 275 | 410 | |
| S355JR | 0,24 | 1.6 | - | 0.035 | 0.035 | 355 | 470 | |
| DIN 17100 | ST37-2 | 0.2 | - | - | 0.050 | 0.050 | 225 | 340 |
| ST44-2 | 0,21 | - | - | 0.050 | 0.050 | 265 | 410 | |
| ST52-3 | 0.2 | 1.6 | 0,55 | 0.040 | 0.040 | 345 | 490 | |
| JIS G3101 | SS400 | - | - | - | 0.050 | 0.050 | 235 | 400 |
| SS490 | - | - | - | 0.050 | 0.050 | 275 | 490 | |
| API 5L PSL1 | ΕΝΑ | 0,22 | 0.9 | - | 0,03 | 0,03 | 210 | 335 |
| σι | 0,26 | 1.2 | - | 0,03 | 0,03 | 245 | 415 | |
| X42 | 0,26 | 1.3 | - | 0,03 | 0,03 | 290 | 415 | |
| X46 | 0,26 | 1.4 | - | 0,03 | 0,03 | 320 | 435 | |
| X52 | 0,26 | 1.4 | - | 0,03 | 0,03 | 360 | 460 | |
| X56 | 0,26 | 1.1 | - | 0,03 | 0,03 | 390 | 490 | |
| X60 | 0,26 | 1.4 | - | 0,03 | 0,03 | 415 | 520 | |
| X65 | 0,26 | 1,45 | - | 0,03 | 0,03 | 450 | 535 | |
| X70 | 0,26 | 1,65 | - | 0,03 | 0,03 | 585 | 570 | |
Ελαφρώς λαδωμένο, γαλβανισμένο εν θερμώ, Electro γαλβανισμένο, μαύρο, Bare, βερνίκι επικάλυψης / Anti πετρελαίου σκουριά, προστατευτικά επιχρίσματα
