ASTM B111 C70600 Seamless Copper Alloy Tubes

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Material & Chemical Composition

C70600 (CuNi10Fe1.6Mn) is a copper-nickel alloy with superior resistance to seawater corrosion and biofouling. Key chemical components include:

Mechanical Properties

Key Advantages

Superior Thermal Conductivity: 50 W/m·K (3x higher than stainless steel), ensuring efficient heat transfer.

Saltwater & Corrosion Resistance: Ideal for marine condensers and desalination plants.

Anti-Biofouling: Inhibits microbial growth in cooling systems.

Seamless Manufacturing: Precision cold-drawn process guarantees uniform wall thickness and leak-free performance.

Applications

✅ Heat Exchangers (Shell & Tube, Plate)

✅ Boiler Tubes (Power Plants, Petrochemical)

✅ Marine Systems (Condensers, Seawater Pipelines)

✅ HVAC & Refrigeration

FAQ

Q: What is the minimum order quantity (MOQ)?
A: MOQ starts at 1 ton. Customized lengths (3m~12m) and OD (10mm~50mm) are available.

Q: Can you provide ASTM B111 certification?
A: Yes, all tubes are supplied with full Mill Test Certificates (MTC) and third-party inspection reports.

Q: What is the lead time?
A: Standard orders ship within 15 days. Urgent requests are prioritized.

Why Choose Yuhong Holding Group?

Yuhong Holding Group Co., Ltd., a leading manufacturer of finned tubes with over 20 years of expertise, proudly presents ASTM B111 C70600 Seamless Copper Alloy Tubes. Designed for demanding thermal applications, these tubes combine exceptional thermal conductivity, corrosion resistance, and mechanical strength, making them ideal for heat exchangers, boilers, and marine systems.

As a Top 5 Chinese Finned Tube Exporter with 55 production lines and 20,000㎡ facility, we deliver:

20+ Years Expertise: Trusted by clients in 80+ countries.
Advanced Technology: ISO-certified cold-drawn and annealing processes.
Quality Assurance: Strict compliance with ASTM, EN, and ASME standards.
Global Logistics: Fast shipping via DHL, FedEx, or sea freight.
Visit www.steelfintube.com to explore our full range of heat exchange solutions!

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.   The factories already got certificates like : ABS, LR, DNV-GL, BV, KR, CCS, ASME, ISO 9001, ISO14001, ISO18001, ect.

Our factories main products as below : 
Factory 1th: Stainless steel seamless tube, Duplex steel seamless tube, Super duplex steel seamless tube, Nickel alloy steel seamless tube;

Factory 2th: Carbon steel seamless tube, Alloy steel seamless tube; Enhanced Heat Tranfer Tube, low fin tube ,U bending workshop;
Factory 3th: High frequency welding fin tube(HFW fin tube, Solid Fin tube, Studded Tube, Serrated Fin tube, Longitudinal welding fin tube), Wound fin tube(L type fin tube, LL type fin tube,  KL type fin tube), Embedded G type fin tube , Extruded fin tube,  low fin tube, U bend & 180deg. Return;

Yuhong Holding Group also has gained rich experience for project package( products contain:Pipes, Fittings, Flanges, heat exchanger, furnace, fired heater, air cooler, boiler) , YUHONG brand has marked its global presence in more than 85 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand, Singapore, Malasyia, Indonesia, Thailand, Vietnam, Ukraine, Turkey,Sauid Arabia, Qatar, U.A.E,Israel,India, UK, France, Italy, Gernmany, Poland, Spain,... We have successfully implemented the orders of Cross Country Pipelines for our valuable customers. In addition, we have also developed a huge network of contacts and strategic alliances with most important manufacturers as stockists around the world.