Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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ASTM B111 C71500 Copper Nickel Tube (90-10 CuNi) | Seawater Corrosion Resistant Tubes Supplier
Brief Introduction
ASTM B111 C71500 Copper Nickel (90-10 CuNi) Tubes are engineered for extreme corrosion resistance in marine and industrial environments. As a premier supplier, we provide seamless and welded tubes compliant with ASTM B111 standards, delivering unmatched performance in heat exchangers, condensers, and offshore applications.
Chemical Composition (ASTM B111 Compliance)
| Element | Composition (%) | ASTM B111 Requirement |
|---|---|---|
| Copper (Cu) | 88.6 - 90.0 | Balance |
| Nickel (Ni) | 9.0 - 11.0 | 9.0 - 11.0 |
| Iron (Fe) | 1.3 - 1.8 | 1.0 - 1.8 |
| Manganese (Mn) | 0.3 - 0.8 | 0.30 - 1.0 |
| Lead (Pb) | ≤ 0.02 | ≤ 0.05 |
| Zinc (Zn) | ≤ 0.20 | ≤ 0.50 |
| Other Impurities | ≤ 0.3 | ≤ 0.5 (Total) |
Equivalent Grades & International Standards
| Region | Standard | Equivalent Grade |
|---|---|---|
| USA | ASTM B111 | C71500 |
| Europe | EN 12451 | CuNi10Fe1Mn |
| Germany | DIN 17664 | 2.0872 |
| Japan | JIS H3500 | C7150 |
| ISO | ISO 1634 | CuNi10Fe1Mn |
C71500 Mechanical Properties ASTM B111
| Property | Annealed Condition | Hard Temper (Drawn) |
|---|---|---|
| Tensile Strength (min) | 45 ksi (310 MPa) | 60 ksi (415 MPa) |
| Yield Strength (0.2% offset) | 15 ksi (105 MPa) | 45 ksi (310 MPa) |
| Elongation (in 2") | 35% min | 15% min |
| Hardness (Rockwell B) | 45 HRB | 85 HRB |
Key Advantages
Superior Seawater Corrosion Resistance
Biofouling Resistance
High Thermal Conductivity
Erosion Resistance
Application Fields
| Industry | Critical Applications |
|---|---|
| Marine Engineering | Shipboard condensers, seawater piping, desalination plants |
| Power Generation | Steam condenser tubes, heat exchanger tubing |
| Oil & Gas | Offshore platform cooling systems, brine heat exchangers |
| Chemical Processing | Acid cooling systems, evaporator tubes |
| Desalination | Multi-stage flash (MSF) evaporator tubes |
