ASME SB111 C71500, CuNi70/30 Copper Nickel Tube Seamless Tube For Heat Exchanger

Introduction

ASME SB111 C71500, also known as Copper Nickel 70/30, is a high-performance copper alloy tube with 70% copper and 30% nickel. It is renowned for excellent resistance to seawater corrosion, high thermal conductivity, and mechanical strength, making it ideal for marine and power industry heat exchangers and condensers.

Chemical Composition (per ASME SB111)

Mechanical Properties (Annealed Condition)

Key Advantages

• Outstanding seawater corrosion resistance (even in turbulent flow)

• Good resistance to stress corrosion cracking and pitting

• Excellent weldability and formability

• High thermal and electrical conductivity

• Reliable performance under high temperature and pressure

Applications

• Heat exchangers and condensers in power plants and chemical industries

• Seawater cooling systems

• Shipbuilding and marine piping

• Desalination equipment

• Offshore platforms and oil rigs

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.