ASTM A106 GR.B With Cu-T2 Fin Embedded G Type Fin Tube, Offshore & Platform
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ASTM A106 GR.B With Cu-T2 Fin Embedded G Type Fin Tube, Offshore & Platform
This product is a high-performance, high-reliability composite finned tube engineered specifically for demanding offshore environments. It features a core structure of ASTM A106 GR.B high-strength seamless carbon steel as the base pipe, offering superior pressure-bearing capacity and ensuring structural integrity under high-temperature and high-pressure conditions. The Cu-T2 copper fins are permanently bonded to the base pipe via an advanced embedded manufacturing process.
This unique "Steel-Copper Composite" design delivers exceptional synergistic benefits:
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The Steel Base Pipe provides the mechanical strength and ruggedness required to withstand wave-induced stresses, system pressures, and high temperatures.
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The Copper Fins leverage their top-tier thermal conductivity to maximize heat transfer efficiency. Furthermore, they utilize the inherent superior corrosion resistance of copper to effectively combat the high-salinity, high-humidity marine atmosphere.
Consequently, this product is the ideal choice for various heat exchangers (such as crude oil heaters, seawater coolers, inert gas system coolers, etc.) on offshore oil & gas platforms, FPSOs, and other marine facilities. It is designed for long-term safe operation, maximized energy efficiency, and minimized lifecycle maintenance costs.
1.Chemical & Mechanical Properties
| ASTM A106 Gr.B Chemical Composition (%) |
|||||||||
| C | Mn | P | S | Si | Cr | Cu | Mo | Ni | V |
| ≤0.30% | 0.29% ~ 1.06% | ≤0.035% |
≤0.035% |
≥0.10% | ≤ 0.40% | ≤ 0.40% | ≤ 0.15% | ≤ 0.40% | ≤ 0.08% |
| Cu-T2 Fin | T2 Copper is a grade of high-purity copper. Its key characteristic is that the combined content of Copper and Silver is not less than 99.90%, meaning the total of other impurity elements must be strictly controlled below 0.1%. It is renowned for its excellent electrical and thermal conductivity. |
Mechanical Properties
| Component | Mechanical Performance | Key Features |
|
ASTM A106 Gr.B |
|
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| Cu-T2 Fin | ||
| Tensile Strength | Annealed (O) | ≥ 195 MPa |
| Hard (H) | 295 - 380 MPa | |
| Yield Strength | Annealed (O) | ≤ 65 MPa |
| Hard (H) | 250 - 350 MPa | |
| Elongation | Annealed (O) | ≥ 40% |
| Hard (H) | 10% - 20% | |
| Hardness | Annealed (O) | HBW ≤ 40 |
| Hard (H) | HBW 70 - 110 | |
| Shear Strength | Annealed (O) | ~ 150 MPa |
| Hard (H) | ~ 250 MPa | |
2. Key Features
- Exceptional Synergistic Effect
- Superior Heat Transfer Efficiency
- Outstanding Corrosion Resistance in Marine Environments
- Unmatched Structural Integrity and Reliability
- Long-Lasting Mechanical Bond
- Optimized Life Cycle Cost
3. Key Applications
- Oil & Gas Processing Systems: Crude Oil Heaters, Gas Coolers, Fuel Oil Heaters
- Power & Utility Systems: Central Coolers, Boiler Feedwater Heaters
- Safety & Environmental Control Systems: Inert Gas Coolers, Air Coolers, Firewater System Heat Exchangers
- Marine & Floating Facilities: FPSOs (Floating Production, Storage, and Offloading units), LNG Carriers, Ship Engine Jacket Water Coolers and Lube Oil Coolers
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