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| Standard | Application | Common Steel Grades (Typical Designations) |
| API 5L | Oil & Gas Pipeline Pipes | PSL1: GR.B, X42, X52, X60, X65, X70ect. PSL2: X52Q, X56Q, X70Q, X80Qect. |
| API 5CT | Oil Well Casing/Tubing | H40, J55, K55, N80, L80, P110, Q125ect. |
| EN 10210 | Structural Carbon Steel Pipes | S235JRH, S275JOH, S355J2Hect. |
| ASTM A53 | Structural/Low-Pressure Fluid Pipes | Type S (Seamless): Grade A, B |
| ASTM A106 | High-Temperature Carbon Steel Pipes | Grade A (Low Strength), B (General Purpose), C (High Strength) |
|
Coating Type |
Description |
Applications |
Temperature Limit |
|
3LPE/3LPP (3-Layer Polyethylene/Polypropylene) |
Epoxy + Adhesive + PE/PP layer |
Oil/gas pipelines, water pipes |
Up to 80°C (3LPE) / 110°C (3LPP) |
|
FBE (Fusion-Bonded Epoxy) |
Thermally cured epoxy powder coating |
Underground pipelines, refineries |
-30°C to 100°C |
|
Polyurethane (PU) |
Spray-applied flexible coating |
Offshore pipes, splash zones |
-40°C to 120°C |
|
Zinc Coating (Galvanizing) |
Hot-dip or electroplated zinc |
Structural pipes, fencing |
Up to 200°C |
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