Chromium vs Nickel
Chromium and Nickel are genuine alternatives to one another — a choice somebody actually makes — and differ on 5 measured properties, density most clearly.
Chromium vs Nickel
Chromium
Cr
The element that makes stainless steel stainless, by growing an oxide layer thin enough to be invisible.
| Property | Chromium | Nickel |
|---|---|---|
| Atomic number | 24 | 28 higher |
| Density | 7.14 g/cm³ | 8.9 g/cm³ higher |
| Electrical conductivity Only one of the two has a figure we can stand behind, so there is nothing to compare. | Not known | 14.3 MS/m |
| Melting point | 1907 °C higher | 1455 °C |
| Mohs hardness Mohs hardness is an ordinal scale: values can be ranked, but differences and ratios between them are not meaningful. | about 8.5 higher | about 4 |
| Molar mass | 51.9961 g/mol | 58.6934 g/mol higher |