A252 Spiral Welded Steel Pipe
A252 spiral welded steel pipe
The anti-corrosion process of A252 spiral welded steel pipe mainly includes the following steps:
Pretreatment: Clean, rust and degrease the surface of the steel pipe to ensure surface cleanliness and flatness and improve the adhesion of the anti-corrosion layer.
Coating: Apply anti-corrosion coating on the surface of steel pipes. Commonly used anti-corrosion coatings include epoxy resin, polyethylene, polyurethane, etc. Select the appropriate coating according to the specific use environment and requirements.
Curing: The coated steel pipe is heated or cured to fully dry and solidify the anti-corrosion coating to form a complete anti-corrosion layer.
Inspection: Conduct quality inspection on the anti-corrosion steel pipes to check the integrity and thickness of the anti-corrosion layer to ensure the anti-corrosion effect.
In addition to anti-corrosion coatings, the anti-corrosion process of A252 spiral welded steel pipes also includes hot-dip galvanizing, thermal spraying aluminum and other metal coating processes, which can further improve the corrosion resistance of the steel pipes. At the same time, the manufacturing process and material quality of steel pipes also have a great impact on the anti-corrosion performance. Therefore, it is necessary to ensure that the manufacturing quality of steel pipes meets relevant standards and requirements.
spiral welded steel pipe A252
| Description | Spiral Welded Steel Pipe, Straight Seam Welded Steel Pipe, Carbon Steel Tube, ERW Steel Tube, EFW Steel Pipe |
| Standards | API 5L ERW PSL1/PSL2, EN39, BS1139, BS1387, EN10255, ASTM A53, A500, A36, A795, ANSI C80, DIN2440, JIS G3444, GB/T3091, GB/T13793 |
| Certificate | API 5L ERW PSL1/PSL2, API 5CT, CE, ISO |
| Type | Spiral, ERW (Electrical Resistance Weld), EFW (Electric Fusion Welding) |
| Length | 6m-12m,or as required |
| Outside Coating | Anti-rust oil, black painting. |
| Epoxy Coating according to AWWA C-210 | |
| Bitumen Coating according to DIN30672, BS534 | |
| Coal- Tar Enamel Coating according to AWWA C-203 | |
| 3 Layer polyethylene Coating according to DIN30670 | |
| 3 Layer Polypropylene Coating according to DIN30678 | |
| Inside Coating | Epoxy lining according to AWWA C-210 |
| Bitumen Lining according to DIN30673, BS534 | |
| Coal-Tar Enamel Lining according to AWWA C-203 | |
| Cement Mortar Lining according to AWWA C-205, BS534 | |
| Testing and Inspection Reports | EN 10204 3.1, Mill TC EN 10204 3.1, Third Party Inspection Reports, Visual Inspection Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Chemical and Mechanical Reports, NABL Approved Lab |
| Price Term | EX-Work, FOB, CFR, CIF |
| Package | Wooden box, bundled for export standard or as required |
| Payment Term | T/T, L/C, |
| Delivery Time | 25-45 days (based on quantity) after receiving advanced payment |
| Application | a) General service industries (petroleum, food, chemical, paper, fertilizer, fabric, aviation and nuclear) b) Fluid, gas and oil transport c) Pressure and heat transmission d) Construction and ornament e) Boiler heat exchangers |
spiral welded A252 steel pipe
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