ASTM B111 BFe30-1-1 Cu70Ni30 Copper Nickel Alloy Tube 5-419mm OD 0.5-10mm Wall Thickness
High-performance copper-nickel alloy tube with exceptional corrosion resistance in seawater, freshwater, and vapor environments. Ideal for demanding industrial applications requiring durability and reliability.
BFe30-1-1 white copper is a structural copper-nickel alloy offering excellent mechanical properties and superior corrosion resistance in marine and industrial environments. This material demonstrates outstanding performance in seawater, freshwater, and vapor applications, though it has limited machinability.
| Grade | USA | U.K | Germany | Japan |
|---|---|---|---|---|
| BFe10-1-1 | C70600 | CN102 | CuNi10Fe1Mn | C7060 |
| BFe30-1-1 | C71500 | CN107 | CuNi30Mn1Fe | C7150 |
- Standards Compliance: GB/T8890, ASTM B111, JIS H3300, BS EN12451
- Material Designations: BFe30-1-1 / C71500 / CuNi30Mn1Fe / CuNi7030 / Cu70Ni30
- Temper: All tempers available (Goods supplied in annealed condition)
- Dimensions: Outer diameter: 5-419mm, Wall thickness: 0.5-10mm
- Customization: Length and tolerance specifications subject to buyer requirements
- Quality: Excellent straightness with clean interior and exterior surfaces
Copper-nickel alloy tubes are extensively used in:
- Condensers and heat exchangers
- Water evaporators and boiler blowdown heat exchangers
- Air coolers and gland steam condensers
- Steam ejectors and turbine oil coolers
- Fuel oil heaters and compressed air inter/after coolers
- Ferrules and oil well pump liners
- Distillers, marine industry, and nuclear power applications
Copper Nickel 70-30 Tubes (C71500) provide superior resistance to impingement attack and corrosion from most acids and waters. This alloy delivers extended service life in severe corrosive conditions where other copper alloys may fail prematurely.
| Element/Property | ASTM B111 C71500 | EN 12451 CW354H | DIN 17664/1785 | BS 2871 CN107 | JIS H3300 C7150 | GB/T8890 BFe30-1-1 |
|---|---|---|---|---|---|---|
| Cu | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Pb | 0.05 Max | 0.02 Max | 0.03 Max | 0.01 Max | 0.05 Max | |
| Fe | 0.4-1.0 | 0.4-1.0 | 0.4-1.0 | 0.4-1.0 | 0.5-1.0 | |
| Ni | 29.0-33.0 | 30.0-32.0 | 30.0-32.0 | 30.0-32.0 | 29.0-32.0 | |
| Zn | 1.0 Max | 0.5 Max | 0.5 Max | - | 0.3 Max | |
| Mn | 1.0 Max | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.5-1.2 | |
| Yield Strength (N/mm²) | 125 Min / 345 Min | 120 Min / 300 Min | 120-220 | - | - | |
| Tensile Strength (N/mm²) | 360 Min / 495 Min | 370 Min / 480 Min | 370 Min | 363 Min | 490 Min | |
| Elongation (%) | 12-15 Min | 35 Min / 12 Min | 35 Min | 30 Min | 10-30 Min |
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