Performance Material · Copper-Nickel-Tin Alloys
Hardiall Eco
CuNi9Sn6 · UNS C72700
Hardiall Eco: Copper-Nickel-Tin Alloys from the Lebronze Alloys North American range.
CW355HASTM B929NACE MR0175
✓ Lead-free · REACH / RoHSOverview
Copper-Nickel-Tin Alloys.
Hardiall Eco: Copper-Nickel-Tin Alloys from the Lebronze Alloys North American range.
Sectors served
FamilyCopper-Nickel-Tin Alloys
CompositionCuNi9Sn6
UNSC72700
Density8.94 g/cm³
Conductivity8 %IACS
MagneticNo
FormsBars
Mechanical properties
Minimum guaranteed properties.
Minimum guaranteed values by grade and product form.
| Grade / spec | Form | Tensile (ksi) | Yield 0.2% (ksi) | Elong. (%) | Hardness (HB) | Hardness (HRC) | Compliant with |
|---|---|---|---|---|---|---|---|
| As supplied | Bars | 115 ksi | 100 ksi | 5 | 250 | 25 | CW355H, ASTM B929, NACE MR0175 |
Data for information only, non-contractual. Request a certified datasheet for design allowables.
Physical properties
| Density | 8.94 g/cm³ |
| Electrical conductivity | 8 %IACS |
| Thermal conductivity | 38 W/m·K |
| Young's modulus | 120 GPa |
| Thermal expansion | 16.4 ×10⁻⁶/K |
| Magnetic permeability | 1.001 |
| Machinability index | n/a |
| NACE corrosion rating | 5 |
Standards & specifications
Norms & designations.
Norms & designations
- CW355H
- ASTM B929
- NACE MR0175
Available forms
Forms & applications.
Available form
Bars
Industries using Hardiall Eco