ASTM B111 C70600 Seamless Copper Alloy Tubes
Material & Chemical Composition
C70600 (CuNi10Fe1.6Mn) is a copper-nickel alloy with superior resistance to seawater corrosion and biofouling. Key chemical components include:
| Element | Cu | Ni | Fe | Mn | Zn | Impurities |
| Content | Bal. | 9.0~11.0% | 1.3~1.7% | 0.5~1.0% | ≤0.5% | ≤0.2% |
Mechanical Properties
| Property | Value |
| Tensile Strength | ≥380 MPa |
| Yield Strength | ≥170 MPa |
| Elongation | ≥25% |
| Hardness | 80~120 |
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!
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