| Neutroloy® Cu-NiCu-Ni 55-45 wt% |
| Neodymium-Barium-Copper Oxide Nd(0.97)Ba(2.0)CuO(O3)Nd(0.97)Ba(2.0)CuO(O3), Nd(1.1)Ba(1.9)CuO(3) |
| Nickel-Aluminium oxide Ni-Al2O3Ni-Al2O3 40/60 wt% |
| Nickel-Boron Ni-BNi-B 85/15 wt% |
| Nickel-Chromium Ni-CrNi-Cr 80/20 wt%, 90-10 wt%, 70-30 wt%, 60-40 wt%, 50-50 wt% |
| Nickel-Chromium-Aluminium Ni-Cr-AlNi-Cr-Al 56.5/40/3.5 wt%, 50/38/12 wt% |
| Nickel-Chromium-Boron Ni-Cr-BNi-Cr-B 80/17/3 wt% |
| Nickel-Chromium-Cobalt Ni-Cr-CoNi-Cr-Co 70/15/15 wt% |
| Nickel-Chromium-Iron Ni-Cr-FeNi-Cr-Fe 35/20/45 wt% |
| Nickel-Chromium-Molybdenum Ni-Cr-MoNi-Cr-Mo 45/45/10 wt% |
| Nickel-Chromium-Silicon Ni-Cr-SiNi-Cr-Si 47.5/47.5/5.5 wt% |
| Nickel-Chromium-Tungsten Ni-Cr-WNi-Cr-W 75/15/10 wt%, 75/17.5/7.5 wt% |
| Nickel-Cobalt-Chromium Ni-Co-CrNi-Co-Cr 50/25/25 wt%, 57/23/20 wt% |
| Nickel-Copper Ni-CuNi-Cu 70/30 at%, 60-40 wt% |
| Nickel-Copper-Iron Ni-Cu-FeNi-Cu-Fe 65/33/2 wt% |
| Nickel Gallium Ni2Ga3Ni2Ga3 |
| Nickel-Iron Ni-FeNi-Fe 50/50 wt%, 78.5/21.5 wt%, 81/19 wt%, 80/20 wt% |
| Nickel-Iron-Chromium Ni-Fe-CrNi-Fe-Cr 55/22.5/22.5 wt% |
| Nickel-Iron-Copper-Molybdenum Ni-Fe-Cu-MoNi-Fe-Cu-Mo 75/16/5/4 at% |
| Nickel-Manganese Ni-MnNi-Mn 50-50 at% |
| Nickel-Molybdenum Ni-MoNi-Mo 84/16 wt%, 50/50 wt%, 80/20 wt%, 87.5/12.5 wt% |
| Nickel-Platinum Ni-PtNi-Pt 90-10 wt% |
| Nickel-Silicon Ni-SiNi-Si 88.5/11.5 wt%, 62/38 wt% |
| Nickel-Silicon-Boron Ni-Si-BNi-Si-B 93/4.3/2.7 wt% |
| Nickel-Titanium Ni-TiNi-Ti 55/45 wt%, 48/52 wt%, 46/54 wt%, 60/40 wt%, 70/30 wt%, 90/10 wt%, 50/50 wt% |
| Nickel-Vanadium Ni-VNi-V 93-7 wt% |
| Nickel-Yttrium Ni-YNi-Y 90-10 wt% |
| Nickel-Zirconium Ni-ZrNi-Zr 70/30 wt% |
| Niobium-Zirconium Nb-ZrNb-Zr 90-10 wt%, 99-1 wt% |