ASME B111 C70600 B111 C70600-O61 Copper Nickel Low Finned Tube
ASME B111 C70600-O61 Copper Nickel Low Finned Tube is the ultimate marine-grade heat transfer solution for corrosive seawater and brackish environments. Featuring a seamless 90-10 copper-nickel alloy (UNS C70600) base tube in annealed (O61) condition with integral low-profile helical fins, this monolithic design delivers exceptional biofouling resistance, erosion-corrosion immunity, and 40% higher heat transfer efficiency than bare tubes. Ideal for condensers, heat exchangers, and desalination systems operating in chlorides up to 400°C (752°F).
Element | C | Si | Mn | P | S | Cu | Ni | Fe | Zn |
Content | ≤0.05 | ≤0.10 | 0.05–0.50 | ≤0.01 | ≤0.005 | ≥88.0 | 9.0–11.0 | 0.4–1.0 | ≤0.50 |
Property | Tensile Strength | Yield Strength | Elongation | Hardness | Max Service Temp. |
Value | 290–370 MPa | ≥ 125 MPa | ≥ 30% | 60–90 HRB | 400°C (752°F) |
· Marine Condensers: Ship engine cooling systems (resists 3+ m/s seawater velocity).
· Offshore Platforms: Seawater coolers for LNG processing.
· Desalination Plants: Brine heaters in MED/MSF units.
· Power Generation: Condenser bundles for coastal nuclear plants.
· Chemical Processing: Sulfuric acid coolers with brackish water cooling.
4. Why Choose ASME B111 C70600-O61 Copper Nickel Low Finned Tube :
A:Company Competitiveness:
Yuhong Holding Group has more than 35 years experience for steel pipe and tube , fin tube , main application for Petrochemical , Oil refinary, Furnace, heating, boiler, heat exchanger, air cooler,.., till now YUHONG brand products already exported more than 85 countries, which like UK, ITALY, SPAIN , USA, MEXICO , COLOMBIA , BRAZIL, SAUDI ARANBIA , OMAN, QATAR, U.A.E, KOREA, ...., YUHONG brand already won good reputation in the market.
B:Product Competitiveness:
· 40+ Year Lifespan: Verified in North Sea offshore installations per NORSOK M-001.
· Zero Biofouling: Cu+ ions inhibit microbial growth (per IMO Biofouling Guidelines).
· Erosion Immunity: Handles 4.5 m/s sand-laden seawater (ASTM G73).
· Rapid Stock Delivery: 100+ standard sizes (OD 19.05–31.75mm) in warehouse.