OptiPowder C715 (CuNi 70/30)
PSDs Available:

- Description
- Typical Applications
- Physical Properties
- Nominal Composition
- AM Process Compatibility
- Available PSDs & Customization
- Documents
Overview
CuNi 70/30 OptiPowder C71500 is a copper-nickel alloy powder designed for excellent corrosion resistance, strength, and durability in demanding environments. The alloy performs well in seawater and brackish conditions, offering strong resistance to corrosion, stress-corrosion cracking, and erosion in high-velocity, turbulent flow.
OptiPowder C71500 is produced using Continuum’s M2P gas atomization system, a plasma-based process that converts qualified reclaimed metal into high-quality spherical powder in a single step. Powered by green energy and tightly controlled process conditions, this approach reduces the carbon footprint of powder production while delivering consistent chemistry, flowability, and particle morphology from lot to lot.
OptiPowder C71500 is engineered for components operating in corrosive and high-flow environments, including:
Marine and offshore systems exposed to seawater and brine
Heat exchangers, condensers, and piping systems
Energy and desalination infrastructure
Industrial components exposed to high-velocity fluid flow
| Property | Unit | Max |
| Apparent Density | g/cc | 4.5 |
| Tapped Density | g/cc | 5.5 |
| Morphology | Spherical | Satellite-free |
| Hall Flow Time | s/50g | <20 |
Data representative of 15–45 µm PSD.
| Element | Min | Max |
| Cu | Balance | Balance |
| Ni | 29.0 | 33.0 |
| Fe | 0.40 | 1.0 |
| Zn | - | 1.0 |
| Mn | - | 1.0 |
| Pb | - | 0.05 |
Aligned with CDA C71500 CuNi 70/30 specification (values may be adjusted per customer requirements).
Additive Manufacturing Process Compatibility
OptiPowder C71500 supports a range of AM and advanced manufacturing processes, including:
Binder Jetting (MBJ):
Cost-effective production of larger components
Binder Jetting (MBJ):
Cost-effective production of larger components
Electron Beam Melting (EBM):
For larger or consolidated structures
Directed Energy Deposition (DED):
Repair and build-up of corrosion-resistant parts
Available PSDs & Customization
OptiPowder C71500 is available in multiple particle size distributions, including 0–15 µm, 15–45 µm, and 45–106 µm, with custom PSDs, blended distributions, and program-based supply available on request to support specific process requirements and qualification needs.

Morphology
Powder morphology is predominantly spherical with minimal satellites, with no hollow particles, excessive agglomeration, or foreign-object defects visible at ~300× magnification.
Blending
Multiple heats may be blended into a single lot when each heat independently meets all chemical and PSD requirements.
Certification
Each shipment includes a certificate of analysis reporting chemical composition, particle size distribution, and any additional agreed-upon test results demonstrating conformance to specifications.