YUHONG HOLDING GROUP CO., LTD
| Payment Terms | TT, LC |
| Supply Ability | 10000 tons/month |
| Delivery Time | According to the quantity |
| Packaging Details | IRON FRAME CASE WITH PLASTIC CAP |
| Base Tube Material | Carbon Steel， A334, GR.1 |
| Length | Max 25M/PC |
| Fin Wall thickness | ~0.3mm |
| Fin pitch | 19-26-27-28-30-36 fins per inch |
| Fin height | ＜1.4mm |
| Brand Name | Yuhong |
| Certification | ABS, BV, DNV, CCS, LR |
| Place of Origin | China |
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Product Specification
| Payment Terms | TT, LC | Supply Ability | 10000 tons/month |
| Delivery Time | According to the quantity | Packaging Details | IRON FRAME CASE WITH PLASTIC CAP |
| Base Tube Material | Carbon Steel， A334, GR.1 | Length | Max 25M/PC |
| Fin Wall thickness | ~0.3mm | Fin pitch | 19-26-27-28-30-36 fins per inch |
| Fin height | ＜1.4mm | Brand Name | Yuhong |
| Certification | ABS, BV, DNV, CCS, LR | Place of Origin | China |
| High Light | Carbon Steel low fin tube ，ASTM A333 GR.1 fin tube ，Economizer oil cooler fin tube | ||
Carbon Steel A333 GR.1 Base Tube
| Grade | C | Mn | P | S | Other |
| Gr.1 | 0.3max | 0.4-1.06 | 0.025max | 0.025 | ... |
Mechanical Properties:
A333 GR.1 Low Fin Tube Application
| Industry | Specific Use Case | Temperature Range | Why A333 Gr.1 Low Fin Tube? |
| LNG/Cryogenics | LNG vaporizers, cold boxes | -45°C to ambient | Toughness at low temp; efficient liquid heat transfer. |
| Petrochemicals | Hydrocracking condensers | -45°C to 50°C | Anti-fouling; extends maintenance cycles. |
| Refrigeration | Ammonia evaporators | -45°C to 10°C | High area enhancement (2.5–4×) for liquids. |
| Power Generation | HRSG economizers | -20°C to 100°C | Cost-effective for moderate low-temp operations. |
| Specialized Industries | Pharmaceutical freezing | -50°C to 0°C | Corrosion-resist |
A333 GR.1 Low Fin Tube Strength
Pressure Resistance: Suitable for high-pressure applications (e.g., shell-and-tube heat exchangers) due to seamless base tube and robust fin design.
Thermal Strength: Maintains stability in temperatures from -45°C to ~425°C (carbon steel limit).
Low fins enhance heat transfer efficiency by 1.5–3 times compared to smooth tubes, reducing thermal stress.
Corrosion and Fouling Resistance:Low fin spacing reduces fouling, extending service life by 30% in viscous fluids (e.g., hydrocarbons).
Compatible with corrosive environments when clad with stainless steel or alloys.
Conclusion: Why Choose A333 GR.1 Low Fin Tube?
You would select an A333 Gr.1 Low Fin Tube when you need:
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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