ASTM B111 C71500 Seamless Copper-Nickel Alloy Tubes High-Efficiency Heat Transfer Saltwater Corrosion Resistance For Marine Industrial Systems

​ASTM B111 C71500 Seamless Copper-Nickel Alloy Tubes – High-Efficiency Heat Transfer & Saltwater Corrosion Resistance for Marine & Industrial Systems

​​Product: ASTM B111 C71500 Seamless Copper-Nickel Alloy Tubes​​

​​Material & Design:​​

• ​​Base Alloy​​: C71500 (CuNi30Mn1Fe), a ​​70/30 copper-nickel alloy​​ with superior corrosion resistance and thermal conductivity.
• ​​Dimensions​​: Outer diameter 10–159mm, wall thickness 1–20mm (customizable).
• ​​Standards​​: Complies with ASTM B111, ASME SB111, and EN 12451 for marine and industrial applications.

Technical Data:​​

Applications:​​

• ​​Marine Systems​​: Condensers, seawater piping, and offshore platforms.
• ​​Industrial Heat Exchangers​​: Oil refineries, chemical processing, and power plants.
• ​​HVAC & Desalination​​: Resists biofouling and scaling in evaporators.

FAQ:​​
​​Q: How does C71500 compare to other copper-nickel alloys like C70600 (90/10)?​​
A: C71500 (70/30) offers ​​higher strength and corrosion resistance​​ than C70600, especially in high-velocity seawater.

​​Q: Can these tubes be welded or bent?​​
A: Yes, they support ​​TIG welding and cold bending​​ without cracking due to excellent ductility (elongation ≥15%).

​​Q: Do you offer anti-fouling coatings?​​
A: Standard tubes have natural anti-fouling properties, but ​​epoxy coatings​​ can be added for enhanced protection.

​​​​​About Yuhong Holding Group Co., Ltd​​
With ​​20+ years of expertise​​, Yuhong Holding Group is a leading manufacturer of ​​high-performance finned tubes and seamless heat exchanger tubes​​, exporting to ​​80+ countries​​ and ranking among ​​China’s top 5 finned tube exporters​​. Equipped with ​​55 production lines​​, ​​20,000㎡ facility​​, and cutting-edge technology, we deliver unmatched quality and service.

Why Choose Yuhong?​​

• ​​Global Trust​​: 80+ countries served with ISO-certified quality control.
• ​​Custom Solutions​​: Tailored dimensions, coatings, and testing (hydraulic, ultrasonic).
• ​​End-to-End Support​​: From design to logistics, including ​​24/7 technical assistance​​.

​​Contact Us:​​
Email​​: jimmy@steelseamlesspipe.com
WhatsApp​​: +86 18892647377
​Website​​: www.steelfintube.com

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.