Heavy Wall ERW Steel Pipe High Pressure Steam Pipeline
Specification
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Details |
Content |
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Product Name |
Heavy Wall ERW Steel Pipe High Pressure Steam Pipeline |
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Outer Diameter Range |
21.3mm - 660mm (1/2" to 26") |
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Wall Thickness Range |
6.0mm - 22.2mm, maximum up to 30.96mm for custom heavy wall requirements |
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Standard Length |
6m (20ft), 5.8m, 11.8m, 12m, SRL / DRL customized lengths available |
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Nominal Pipe Size (NPS) |
2" / 3" / 4" / 6" / 8" and above, covering all common industrial pipeline sizes |
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Schedule Options |
SCH40, SCH80, SCH120, SCH160, custom heavy wall schedules for extra high pressure scenarios |
Material & Grade Options
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Details |
Content |
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Carbon Steel Grades |
Q235, Q345, S235JR, S355JR, 20# Steel, Grade A, Grade B |
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Pipeline Special Grades |
API 5L X42, X52, X60, X65, L250, L350 |
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Alloy Steel Options |
Low alloy grades for specified elevated temperature properties, meeting ISO 9330-2 standard |
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Material Traceability |
100% mill test certificate provided, full raw material inspection before production |
Dimension & Weight Data (SCH40 / SCH80 Standard)
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NPS |
OD (mm) |
SCH40 Wall Thickness (mm) |
SCH40 Weight (kg/m) |
SCH80 Wall Thickness (mm) |
SCH80 Weight (kg/m) |
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2" |
60.3 |
3.91 |
5.44 |
5.54 |
7.48 |
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3" |
88.9 |
5.49 |
11.29 |
7.62 |
15.27 |
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4" |
114.3 |
6.02 |
16.07 |
8.56 |
22.32 |
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6" |
168.3 |
7.11 |
28.26 |
10.97 |
42.56 |
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8" |
219.1 |
8.18 |
41.78 |
12.7 |
63.64 |
Manufacturing Process & Core Technology
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Details |
Content |
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Welding Technology |
High frequency electric resistance welding (ERW), no filler material added during welding, weld seam chemical composition 100% consistent with base metal |
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Heating Principle |
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