YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days |
| Packaging Details | Ply-wooden Case With Iron Frame |
| Type | Spiral Wound Fin Tubes L Type |
| Standard | ASTM A179 |
| Material | Base Tubes A179 and AL1060 Fins |
| Working temperature | 230℃ |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators / Air cooler, etc |
| Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong |
| Model Number | ASTM A179 |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 1000 tons/month |
| Delivery Time | 30-60 days | Packaging Details | Ply-wooden Case With Iron Frame |
| Type | Spiral Wound Fin Tubes L Type | Standard | ASTM A179 |
| Material | Base Tubes A179 and AL1060 Fins | Working temperature | 230℃ |
| Use | Heat Exchanger / Boiler / Furnaces / Condensers / Evaporators / Air cooler, etc | Packing | Ply-wooden Case With Iron Frame |
| Brand Name | Yuhong | Model Number | ASTM A179 |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | AL1060 Spiral Wound L Fin Tubes ，Spiral Wound L Fin Tubes ，ASTM A179 Wound Fin Tube | ||
Spiral Wound L Fin Tubes ASTM A179 Base Tube With AL1060 Fins Tubos Aletados
ASTM A179 covers minimum-wall-thickness, seamless cold-drawn low-carbon steel tubes for tubular heat exchangers, condensers, and similar heat transfer apparatus.
Chemical Composition (%) max
| Grade | C | Mn | P | S |
| A179 | 0.06-0.18 | 0.27-0.63 | 0.035 | 0.035 |
Mechanical Properties
| Grade | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min |
| A179 | 47ksi (325 MPa) | 26ksi (180 MPa) | 35% |
Wound fin tubes are a type of heat exchanger tube that features fins wrapped around the outer surface of the tube. The fins are typically made from materials like aluminum or copper and are wound in a helical or spiral pattern. This design increases the surface area of the tube, enhancing its ability to transfer heat between the fluid inside the tube and the surrounding environment.The general materials of base tubes about the wound finned tube are carbon steel, copper, alloy, stainless steel ; the general materials of fins about the wound finned tube are copper, aluminum 1060/1070, aluminum alloy 6063/6061.And there are three categories of wound finned tubes: L-fin tubes, LL-fin tubes and KL-fin tubes.
Advantages
The trapezoidal section formed by rolling of L-shaped finned tube is consistent with the distribution of heat flow density, and the tubes are closely combined with high thermal efficiency, thus eliminating the contact thermal resistance caused by the gap between the fins.
By winding process, high production efficiency, uniform spacing, good heat transfer, high fin ratio, the base pipe can be protected from air erosion.
Application
Wound L-type fin tubes are used in heat exchangers for air cooling or heating fluids such as air, water, oil, or gas. They are commonly found in industries such as oil & gas, power generation, marine, and HVAC&R.Specific applications include diesel charge air coolers, oil coolers, hydrogen coolers, waste heat recovery, driers, air conditioning, air heaters, generator coolers, and steam condensers.
Specifications
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Embedded | G-type fin tube | 16-63 | 2.1~5 | <17 | ~0.4 |
| Extruded | Single metal / Combined metal | 8-51 | 1.6~10 | <17 | 0.2-0.4 |
| Low fin tube / T-type fin tube | 10-38 | 0.6~2 | <1.6 | ~0.3 | |
| Bamboo tube / corrugated tube | 16-51 | 8.0~30 | <2.5 | ~0.3 | |
| Wound | L / KL / LL fin type | 16-63 | 2.1~5 | <17 | ~0.4 |
| String | String fin tube | 25-38 | 2.1-3.5 | <20 | 0.2-0.5 |
| U-type | U-type fin tube | 16-38 | / | / | / |
| Welding | HF-welding fin tube | 16-219 | 3~25 | 5~30 | 0.8-3 |
| H / HH type fin tube | 25-63 | 8~30 | <200 | 1.5-3.5 | |
| Studed fin tube | 25-219 | 8~30 | 5~35 | φ5-20 | |
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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