| Delivery Time | 50-120 days |
| Supply Ability | 5000 meters/day |
| Product | low Fin Tube |
| Payment Terms | T/T,L/C |
| Material | ASTM A333 GR.1 |
| Application | LNG process heat exchangers, Natural gas cooling systems, Gas separation units, Cryogenic processing equipment |
| Packaging Details | Plywood case |
| Package | Plywood case |
| Model Number | N/A |
| Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 |
| Place of Origin | China |
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Product Specification
| Delivery Time | 50-120 days | Supply Ability | 5000 meters/day |
| Product | low Fin Tube | Payment Terms | T/T,L/C |
| Material | ASTM A333 GR.1 | Application | LNG process heat exchangers, Natural gas cooling systems, Gas separation units, Cryogenic processing equipment |
| Packaging Details | Plywood case | Package | Plywood case |
| Model Number | N/A | Brand Name | YUHONG |
| Certification | ISO9001:2015; ISO14001:2015; ISO45001:2018; PED 2014/68/EU; WPS/PQR/WPQ; ISO 3834 | Place of Origin | China |
ASTM A333 Gr.1 Low-Finned Tubes are specially designed heat transfer tubes manufactured with a low-profile fin structure on the outer surface of the base tube. The base tube material complies with ASTM A333 Grade 1 low-temperature carbon steel requirements, offering reliable mechanical performance and impact toughness for low-temperature service environments.
Compared with conventional smooth tubes, low-finned tubes increase the external heat transfer area while maintaining a compact tube arrangement. This design improves thermal efficiency, reduces equipment size, and helps optimize heat exchanger performance in applications involving cooling, condensation, evaporation, and cryogenic-related processes.
The ASTM A333 Gr.1 base material is commonly selected for applications where resistance to low-temperature brittleness is required, making these tubes suitable for energy, petrochemical, refrigeration, and natural gas processing industries.
ASTM A333 Gr.1 low-finned tubes are widely used in low-temperature heat exchange systems where thermal efficiency and material toughness are important.
Typical equipment includes:
The low-temperature characteristics of ASTM A333 Gr.1 make it suitable for applications involving chilled hydrocarbons and low-temperature fluids.
In petrochemical plants, low-finned tubes are used to improve heat transfer performance in compact exchanger designs.
Common equipment:
The increased surface area helps improve thermal exchange efficiency while maintaining a practical equipment footprint.
Low-finned tubes are also applied in refrigeration and cooling systems, especially where carbon steel construction and enhanced heat transfer surfaces are required.
Applications include:
| Item | Typical Range |
|---|---|
| Base Tube Material | ASTM A333 Gr.1 |
| Tube Type | Low-Finned Tube / Integral Low Fin Tube |
| Outside Diameter of Base Tube | 12.7 mm – 50.8 mm |
| Common Tube OD | 19.05 mm, 25.4 mm, 31.75 mm, 38.1 mm |
| Wall Thickness | 1.5 mm – 4.5 mm |
| Tube Length | Up to 18 m (customized according to equipment design) |
| Fin Height | Approx. 0.5 mm – 1.5 mm |
| Fin Pitch | Approx. 0.8 mm – 3 mm |
| Fin Type | Integral Low Fin |
| Manufacturing Standard | ASTM A333 / Customer Specification |
Dimensions can be customized according to heat exchanger design requirements.
| Element | Chemical Requirement (%) |
| Carbon (C) | ≤ 0.30 |
| Manganese (Mn) | ≤ 0.40–1.06 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | ≥ 0.40 |
| Iron (Fe) | Balance |
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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