TRUER SPHERE – CuNi2SiCr – C0002
CuNi2SiCr powders can be used for complex parts of bearing or bushing by additive manufacturing. It is better than pure copper and brass for bearing. Its As-built strength of SLM can reach 307 MPa (reported by TRUER RP202205200197) at built rate 13.0 cm³/h with 390W/30um.
CuNi2SiCr is a precipitation-hardened copper alloy composed of copper, nickel, silicon and chromium. It has good balance of strength and electrical conductivity and excellent thermal stability. Its strengthening of CuNi2SiCr is based on the temperature-dependent solubility of the intermetallic phases Ni2Si and Ni5Si2 (Ni31Si12). Its mass density can reach 8.84 g/cm3.
Our spherical CuNi2SiCr powder can be produced by both Gas atomizing and PREP process with good flowability and sphericity.
Chemical Composition
| Element | Specification (wt%) |
|---|---|
| Cu | Bal. |
| Ni | 1.8–3.0 |
| Si | 0.4–0.8 |
| Cr | 0.2–0.7 |
| Fe | 0.05 max. |
| O | 0.05 max. |
Powder Shape
| Process | Sphericity (%) |
| GA | >90 |
| PREP | >95 |
Powder Properties
| Process | Size Cuts (um) | D10 (um) | D50 (um) | D90 (um) | Flowability (s/50g) | Apparent Density (g/cm³) |
|---|---|---|---|---|---|---|
| DED/LC/TSW | 53-150 | 55-64 | 92-104 | 140-160 | 20.0 max. | 4.4 min. |
| SLM | 20-63 | 22-27 | 35-42 | 58-65 | 20.0 max. | 4.4 min. |
| LPBF/SLM | 15-53 | 15-24 | 26-40 | 42-58 | 20.0 max. | 4.4 min. |
| LPBF/SLM/PTA | 15-45 | 16-20 | 27-32 | 47-51 | 20.0 max. | 4.4 min. |
Customized particle size distribution available upon request.
Detailed test data are reported in Certificate of Analysis for each order.
Packaging
TRUER SPHERE AM powders are available in1, 2, 5, 10 and 20kg, packages, or required, packed by plastic bottle filled with inert gas or vacuum.
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