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Product introduction
| Product Name | Spiral Welded Steel Pipe | ||
| Size | OD | 89--3020mm | |
| Thickness | 2.75--25mm | ||
| Length | Usually 6~12 Meters, 20 Meters Max in Theory | ||
| Standard | SY/T5037 SY/T5040 GB/T9711 API5L EN10208 ASTM A252 JISA5525 | ||
| Material | Chinese Grade | Q235,Q345,S245,S290,S320,S360,S390,S415,S450 | |
| Foreign Grade | ASTM | Grade A,Grade B,X42,X46,X52,X56,X60,X65,X70 | |
| EN | S185,S235JR,S235JO,E335,S355JR,S355JO L245,L290,L320,L360,L390,L415,L450 | ||
| Ends | Beveled (Can be Protected By Plastic Caps or Steel Rings According to Your Requirements)Also We Can Weld Flanges on the Pipe Ends Plain Ends | ||
| Surface | Bared Or Paint With Oil, Bitumen,1-3 layer PE | ||
| Inspection | With Chemical Composition and Mechanical Properties Testing; Hydrostatic Test, Dimensional and Visual Inspection, Also With Nondestructive Inspection | ||
| Technique | Hot Rolled and SSAW or DSAW | ||
Mechanical Property
Mechanical Property
| Yield Strength Grade | Wall thickness (mm) | Yield strength (Mpa) | Tensile strength (Mpa) | Elongation% | Impact work (J) |
| 235 | 4-12>12-22 | ≥235 | ≥375 | ≥23 | ≥27 |
| 345 | 4-12>12-22 | ≥345 | ≥470 | ≥21 | 27 |
| 390 | 4-12>12-22 | ≥390 | ≥490 | ≥19 | ≥27 |
Package
1.OD≤273MM, package with steel strip
2.OD≥273MM, package in bulk
Usage
3.Water,
4.Sewage
5.Gas
6.Stream
7.Combustible Fluids(Petroleum and Gas)
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