Yuhong Group Co.,Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 1000 ton/month |
| Delivery Time | 7-45DAYS |
| Packaging Details | Ply-wooden Case /Iron Case/ Bundle with Plastic Cap |
| Product | Low Fin Tubes |
| Specification | ASME SB111 |
| Surface Treatment | Customized |
| Material Grade | C70600 |
| Tube Wall Thickness | Customized |
| Length | As per Customer requirement |
| Brand Name | Yuhong |
| Model Number | ASTM B111 C70600 |
| Certification | ABS, BV, ISO, ASTM, SGS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 1000 ton/month |
| Delivery Time | 7-45DAYS | Packaging Details | Ply-wooden Case /Iron Case/ Bundle with Plastic Cap |
| Product | Low Fin Tubes | Specification | ASME SB111 |
| Surface Treatment | Customized | Material Grade | C70600 |
| Tube Wall Thickness | Customized | Length | As per Customer requirement |
| Brand Name | Yuhong | Model Number | ASTM B111 C70600 |
| Certification | ABS, BV, ISO, ASTM, SGS | Place of Origin | China |
| High Light | ASTM B111 C70600 copper nickel fin tube ，low fin tube for heat exchanger ，copper nickel steel fin tube | ||
ASTM B111 C70600 Copper Nickel Steel Low Fin Tube For Hear Exchanger
The ASTM B111 C70600 Low Fin Tube is manufactured from 90/10 copper–nickel alloy (Cu ~88.7–90.0%, Ni ~9.0–11.0%). Low fins are integrally rolled from the tube’s outer surface, enhancing external surface area while keeping the inner surface smooth for fluid flow. This makes it ideal for marine, offshore, and industrial heat exchangers where seawater or brackish water is the cooling medium.
Seawater-cooled heat exchangers in power plants
Desalination equipment
Shipboard condensers & coolers
Petrochemical processing heat exchangers
Offshore oil & gas cooling systems
HVAC condensers in corrosive coastal environments
Excellent seawater corrosion resistance due to 90/10 Cu-Ni alloy
High resistance to biofouling compared to stainless steels
Improved heat transfer efficiency with low fins (increased outer surface area)
Good mechanical strength & fatigue resistance
Long service life in marine and industrial cooling applications
Smooth inner bore ensures minimal pressure drop for fluids
| Element | Content (%) |
|---|---|
| Cu (Copper) | 88.7 – 90.0 |
| Ni (Nickel + Cobalt) | 9.0 – 11.0 |
| Fe (Iron) | 1.0 – 1.8 |
| Mn (Manganese) | 1.0 max |
| Zn (Zinc) | 1.0 max |
| Pb (Lead) | 0.02 max |
| Others | 0.1 max |
Mechanical Properties (Annealed Condition, per ASTM B111)
| Property | Value |
|---|---|
| Tensile Strength (MPa) | ≥ 275 |
| Yield Strength (0.5% ext, MPa) | ≥ 105 |
| Elongation (%) | ≥ 30 |
| Hardness (HRB) | ≤ 80 |
Fin Type: Low fin, integrally rolled from base tube
Fin Height: Typically 0.3 – 0.5 mm
Fin Density: 19 – 26 FPI (Fins per inch), depending on design
Bond: Metallurgically integral (no risk of loosening)
Tube OD Range: 9.52 mm – 25.4 mm
Tube Length: Up to 18 meters (customizable)
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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