ZNnGardTM Zinc Nickel Nano-Structured coating system is part of an
overall strategy to replace any remaining cadmium processes and
eliminate environmental and worker safety issues while significantly
improving performance and reducing life-cycle costs.
Thickness | 10 – 18 μm |
Structure | 𝜸 phase (12% -16% Ni) |
Hardness* | 400 – 500 VHN |
Grain size* | <100 nm |
OCP vs (SHE) | -0.503 V to -0.653 V |
Pin on disc (ASTM G99)* | 0.14 – 0.34 Coefficient of friction |
K factor | 0.24 (without lubricant) 0.17 (with lubricant) |
Operating temperature | -50 °F to 400 °F (-45 °C to 204 °C) |
Salt spray (ASTM B117) | >6000 h |
Adhesion test (ASTM B571) | Bend test 180° PASS |
Hydrogen embrittlement (ASTM F519) | PASS – 200 h at 75% NFS |
Hydrogen Re-embrittlement | PASS |
Applications | High and low strength steel |
Standards/Specifications | Meets ASTM B841 Class 2 AN ASTM F1941 |