YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | According to Clients' requirements |
| Delivery Time | 45-60 Days (Depend on Purchased Quantities) |
| Packaging Details | Ply-wooden Cases with Steel Frames and Pipe's both ends with plastic caps |
| Product Name | ASTM A106 Gr.B Embedded Finned Tube with Cu-T2 Fins For Air Cooler |
| Base Tube Specification&Material | ASTM A106 Gr.B |
| Fin material | Aluminum 1060 |
| Fin Height | ＜19 mm |
| Fin Thickness | 0.2~0.5 mm |
| Base Tube OD | 15.88~76.2 mm |
| Fin Pitch | 2.1~5mm |
| Application | Heater Convection Section; Gas Turbine HRSG (Heat Recovery Steam Generator); Air Preheater (APH)... |
| Brand Name | Yuhong |
| Model Number | Embedded/ G Finned Tube |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | TT, LC | Supply Ability | According to Clients' requirements |
| Delivery Time | 45-60 Days (Depend on Purchased Quantities) | Packaging Details | Ply-wooden Cases with Steel Frames and Pipe's both ends with plastic caps |
| Product Name | ASTM A106 Gr.B Embedded Finned Tube with Cu-T2 Fins For Air Cooler | Base Tube Specification&Material | ASTM A106 Gr.B |
| Fin material | Aluminum 1060 | Fin Height | ＜19 mm |
| Fin Thickness | 0.2~0.5 mm | Base Tube OD | 15.88~76.2 mm |
| Fin Pitch | 2.1~5mm | Application | Heater Convection Section; Gas Turbine HRSG (Heat Recovery Steam Generator); Air Preheater (APH)... |
| Brand Name | Yuhong | Model Number | Embedded/ G Finned Tube |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | ASTM A106 Gr.B finned tube ，embedded Cu-T2 fin tube ，heater convection fin tube | ||
ASTM A106 Gr.B Embedded Finned Tube with Cu-T2 Fins For Heater Convection Section
The ASTM A106 Gr.B embedded finned tube with Cu-T2 fins is a composite heat transfer tube designed for industrial high-temperature heat exchange applications. It adopts ASTM A106 Gr.B seamless carbon steel tube as the pressure-bearing base tube and high-purity Cu-T2 copper fins. The mechanical embedded forming process ensures stable pressure resistance of carbon steel and high thermal conductivity of copper, suitable for continuous operating conditions in power plants, chemical industries, air coolers and heat exchangers.
Core Components:
1. Base Tube: ASTM A106 Gr.B Carbon Steel
Comply with ASTM A106 industrial high-temperature pipeline standards, applicable to high-temperature and medium-pressure fluid transportation conditions. The material features stable tensile strength, yield strength and low-temperature toughness without metallurgical defects, adapting to long-term continuous start-stop operation. All base tubes are equipped with original material certificates and heat traceability numbers.
Chemical Composition (Heat Analysis, % by weight)
| Element | Specification |
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | 0.29 – 1.06 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Silicon (Si) | ≥ 0.10 |
| Chromium (Cr) | ≤ 0.40 |
| Nickel (Ni) | ≤ 0.40 |
| Molybdenum (Mo) | ≤ 0.15 |
| Vanadium (V) | ≤ 0.08 |
Mechanical Properties (Room Temperature)
| Property | Standard Value |
| Tensile Strength | 415 MPa – 550 MPa (60,000–80,000 psi) |
| Yield Strength (0.2% Offset) | ≥ 240 MPa (35,000 psi) |
| Elongation (2 in / 50 mm gauge length) | ≥ 30% |
2. Fin: Cu-T2 Pure Copper
Made of national standard Cu-T2 high-purity copper with dense surface and no oxide inclusions, featuring excellent thermal conductivity and tensile ductility.
It adapts to high-speed mechanical embedding forming without cracking or peeling, ensuring uniform and stable heat exchange contact surface and improving overall heat transfer efficiency.
Fin Material – Cu-T2 Equivalents
| Standard / Grade | Equivalent Designation | Purity (Cu + Ag) | Key Notes |
| Cu-T2 | Chinese designation (GB/T 5231) | ≥ 99.9% | Standard grade for embedded fins |
| UNS C11000 | ASTM / ASME designation (electrolytic tough pitch copper) | ≥ 99.9% | Direct equivalent, widely accepted internationally |
| EN CW004A | European designation (Cu-ETP) | ≥ 99.9% | EU equivalent to UNS C11000 |
| DIN 2.0070 | German designation (SE-Cu) | ≥ 99.9% | Germany / DIN standard |
| JIS C1100 | Japanese designation | ≥ 99.9% | Japan |
| ISO Cu-ETP | ISO standard designation | ≥ 99.9% | International |
3. Forming Process Advantages
Embedded Finned Tube:
Adopts cold mechanical embedding process without welding, brazing or high-temperature thermal deformation. CNC precision grooving is performed on the outer wall of the base tube, and Cu-T2 copper fins are extruded and locked into the grooves for gap-free fitting. The original pressure-bearing structure of the base tube is completely retained, avoiding common problems such as thermal stress cracking, heat transfer attenuation and fin falling off.
4. Detailed Application
Company Details
Business Type:
Manufacturer,Importer,Exporter,Trading Company,Seller,Other
Year Established:
1990
Total Annual:
50M-70M
Employee Number:
50~800
Ecer Certification：
Verified Supplier
Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n... Yuhong Holding Group has more than 35 years experience for pipeline products, till now we have 3 big joint venture factories, the total production area more than 130000 square meters, and more than 600 workers with 106 production lines give our clients excellent supporting always. &n...
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