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YUHONG we are one of the leading manufacturers for heat exchanger tube in China ,especially for copper alloy tube .Yuhong brand tube have been already exported to more than 85 countries With more than 35 years' experience, because of strict quality control policy, excellent sales service, delivery on time. YUHONG won more and more new clients and got more and more repeat orders from old clients, in YUHONG People's mind: Quality is First Important!
ASTM B111 C70600 copper alloy tube, also known as UNS C70600 (90/10 copper-nickel alloy), is a high-performance seamless tubing engineered for demanding industrial and marine applications. Compliant with ASTM B111 standards and compatible with GB/T 8890, it is widely recognized for its exceptional corrosion resistance, excellent thermal conductivity, and long service life, making it the preferred choice for critical heat transfer and fluid transport scenarios.
Copper Alloy Tube Specification:
C70600 copper alloy tube (B111 standard) is a 90/10 copper-nickel alloy with trace additions of iron and manganese, which enhance its mechanical properties and corrosion resistance. This seamless tubing is designed to withstand harsh environments, including seawater, brines, chlorinated media, and chemical solutions, while delivering efficient heat transfer and reliable performance. It is extensively used in marine cooling systems, condensers, desalination plants, power plants, and chemical processing equipment.
20+ years (Maintenance-free in marine/offshore applications)
Copper Alloy tube Core Advantage:
Exceptional Corrosion Resistance: The dense self-healing passive film (Cu₂O+NiO+Fe₂O₃) effectively resists seawater, brines, and chlorinated media, with a corrosion rate far lower than 316L stainless steel, ensuring long-term structural integrity.
Superior Erosion Resistance: Iron and manganese additions enhance fatigue resistance, allowing the tube to withstand high-velocity fluid flow without erosion, pitting, or thinning.
High Heat Transfer Efficiency: 3-5 times higher thermal conductivity than stainless steel, maximizing heat exchange performance and reducing energy consumption in condensers and cooling systems.
Low Maintenance & Longevity: Proven 20+ years of maintenance-free operation in offshore platforms and petrochemical plants, minimizing downtime and lifecycle costs.
Versatile & Customizable: Available in a wide range of sizes with custom lengths, supporting cold/hot working, welding, and bending for diverse application needs.
Copper Alloy tube Application:
B111 C70600 copper alloy tubes are widely used in various industries, including:
Power plants: Condensers, heat exchangers, cooling water pipelines
Chemical industry: Chemical fluid transport, corrosion-resistant pipelines
Petrochemical industry: Refinery cooling systems, process pipelines
With strict quality control and compliance with international standards, our B111 C70600 copper alloy tubes deliver reliable performance and cost-efficiency for your critical applications. Contact us for custom solutions and detailed technical support.
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
Yuhong Group is one of the large scale group company in China, more than 35 years experience in the international market, providing high-quality services to over 3000 customers, end user which like Aramco, Petrobras, Pemex, Petronas, Ecopetro, Petroecuador, …. till now Yuhong Grou...
