ASTM B111 C70600 Seamless Tubes 90 10 Cu-Ni Alloy
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Detailed Product Description
ASTM B111 C70600 Copper-Nickel Tubes: High-Performance Corrosion-Resistant Alloy |
| Element | Composition (%) | Role |
|---|---|---|
| Copper (Cu) | 86.0–89.0 | Base metal, ensures conductivity |
| Nickel (Ni) | 9.0–11.0 | Enhances corrosion resistance |
| Iron (Fe) | 1.0–2.0 | Improves erosion resistance |
| Manganese (Mn) | 0.5–1.0 | Stabilizes microstructure |
| Zinc (Zn) | ≤1.0 | Trace impurity control |
| Lead (Pb) | ≤0.05 | Minimizes environmental toxicity |
ASTM B111 C70600 Equivlent Grades
| Standard | Equivalent Grade | Region/System |
|---|---|---|
| UNS | C70600 | Unified Numbering System |
| EN | CW352H | European Norm |
| DIN | 2.0872 | German Standard |
| JIS | C7060 | Japanese Industrial Standard |
ASTM B111 C70600 Mechanical Properties
Key mechanical performance data for engineering design:
| Property | Value | Test Standard |
|---|---|---|
| Tensile Strength | 310–380 MPa (45–55 ksi) | ASTM E8/E8M |
| Yield Strength (0.2%) | 125 MPa (18 ksi) min | ASTM E8/E8M |
| Elongation | 35% min (50 mm gauge length) | ASTM E8/E8M |
| Hardness | 65–85 HRB | ASTM E18 |
| Max Operating Temp | 400°C (750°F) | ASTM B111 |
Key Advantages of ASTM B111 C70600 Tubes
- Superior Corrosion Resistance: Resists pitting, crevice corrosion, and biofouling in seawater and brackish environments.
- High Thermal Conductivity: 29 W/m·K (50 BTU·in/hr·ft²·°F), ideal for heat exchangers and condensers.
- Ease of Fabrication: Compatible with welding, brazing, and bending without cracking.
- Long Service Life: 20+ years in marine applications with minimal maintenance.
ASTM B111 C70600 Applications
| Industry | Applications |
|---|---|
| Marine Engineering | Seawater piping, desalination plants, ship hulls, offshore platforms |
| Power Generation | Condenser tubes, heat exchangers, cooling systems |
| Oil & Gas | Subsea pipelines, LNG processing, refinery cooling systems |
| Chemical Processing | Acid-resistant tubing, evaporators, distillation columns |
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