Electric welded pipes in the HFW (High Frequency Welded) category are rapidly gaining recognition for high integrity applications within the Oil & Gas sector. Their acceptance stems from several key advantages:
Enhanced Dimensional Control: HFW pipes boast improved dimensional accuracy throughout their length, facilitating efficient coating and field joint integrity, crucial in demanding applications.
Precise Mechanical Properties & Surface Quality: Leveraging the inherent qualities of hot-rolled coils, HFW pipes ensure precise control over mechanical properties and surface finish, ensuring consistent performance and reliability.
Minimal Material Input for Welding: With no extraneous material introduced during welding, HFW pipes benefit from reduced impurities and vulnerabilities, further fortified by the utilization of state-of-the-art forming and solid-state HF welding technology.
| API & Line Pipe | |
| Production Capacity | 600000 MT per annum |
| Manufacturing Process | Solid State HF Welding with Seam Annealing |
| Outside Diameter |
Lines Pipes up to 20"(508.0 mm) casings-6 5/8", 7", 7 5/8",8 5/8", 10 3/4",13 3/8",16",& 20". |
| Thickness Range | Up to 0.562"(14.3 mm) |
| Pipe Length | SRL/DRL/TRL (6 meters to 18 meters) |
| Specifications | API5L/API 5CT/ASTM/UL/EN/ISO/IS/CSA-245-1 |
| Pipe Ends | Beveled or Plain End |
| Protective Coating | Bare or Rust Preventive Coating |
| End Protection | Protected with Plastic /Metallic Caps |
Coating Application in Main Line Pipes
Current coating use on high pressure pipelines is dominated by FBE and 3LPE,3LPP finding increasing use for high temperature applications above the acceptable temperature range for mono-layer.FBE and PE with ISO specifications developed for these coatings.Excellent specifications have been developed by the CSA, and others for both FBE and 3LPE.
| 3 Layer PE/PP/DFBE/ & Internal Liquid Epoxy Coating Facility | |
| Production Rate |
2.5 Lac Mtrs2/Annum(External 3LPE/PP/FBE/DFBE) 2 Lac Mtrs2/Annum (Internal Liquid Epoxy) |
| Outside Diametre | Up to 20" (508.0 mm) |
| Pipe Length | Up to 18 Meters |
| Coating Specifications |
ISO-21809-1 / DIN 30670 / DIN30678 / APIRP5L2 /ISO-15741/ CSA 245.20,21 & Equivalent |
| End Protection | Protected with Plastic/Metallic caps |
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