| Product Name | Double-faced Spiral Arc Merged Welded Steel Pipe | |||||
| Size | OD | 159--3020mm in Theory | ||||
| Wall Thickness | 4--25mm in Theory | |||||
| 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 e 50 | ||||
| EN | S185,S235JR,S235JO,E335,S355JR,S355JO, L245,L290,L320,L360,L390,L415,L450 | |||||
| Usage | Used For Water, Sewage, Gas, Stream, Combustible Fluids(Petroleum and Gas) | |||||
| Ends | Beveled (Can be Protected By Plastic Caps or Steel Rings)Or Weld Flanges on the Pipe Ends Plain Ends | |||||
| Surface Treatment | Bared Or Paint With Oil, Bitumen,1-3 layer PE | |||||
| Technique | Hot Rolled | |||||
| SSAW(Sprially Submerged Arc Welding) | ||||||
| DSAW(Double Submerged Arc Welded) | ||||||
| Inspection | With Hydraulic Testing,Eddy Current and Infrared Test | |||||
| Package | Packaged With Steel Strip When O.D≤273MM, Otherwise In Bulk. | |||||
| Delivery | Container,Bulk carrier | |||||
| Port of Shipment | Xingang,China | |||||
| Date of Delivery | According To The Quantity And Specification Of Each Order | |||||
| Payment | L/C T/T Western Union | |||||
| Others | Fitting as threaded and flange can be supplied | |||||
1.Some pictures for your reference
2. With Anti-corrosive Paint Or Bitumen,Both Ends Are Covered With Plastic Caps To Protect The Beleved Thread
3. One Side Bared,One Side With Bitumen Covering, Or You Can Choose Full Covering
4.Spiral Steel Pipe With 3PE Treatment For Underground Usage
5.Spiral Steel Pipe With Bitumen Cover On The Pipe Surface And Flanges At The Both Ends
6. Raw Material For The Spiral Steel Pipe
7. production technology process
If you are interested in our product,please don't hesitate to contact with me.