A6175012
niobium carbide , 99%metalsbasis,1-4μm , 12069-94-2
Synonym(s):
NB516010
CAS NO.：12069-94-2
Empirical Formula: CHNb
Molecular Weight: 105.93
MDL number: MFCD00016237
EINECS: 235-117-8
| Pack Size | Price | Stock | Quantity |
| 25G | RMB66.40 | In Stock |
|
| 100G | RMB216.80 | In Stock |
|
| 500G | RMB956.00 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 3500°C |
| Boiling point: | 4300°C |
| Density | 7.6 g/mL at 25 °C(lit.) |
| solubility | insoluble in H2O, acid solutions |
| form | Powder |
| color | White |
| Specific Gravity | 7.6 |
| Resistivity | 51.1–74.0 (ρ/μΩ.cm) |
| Water Solubility | Insoluble in water. |
| Crystal Structure | Cubic, NaCl Structure |
| Shear Modulus | 197 - 245 GPa |
| Vickers Microhardness | 2400 |
| Hardness, Rockwell A | 90, at RT |
| Modulus of Elasticity | 330 - 537 GPa |
| Poissons Ratio | 0.22 (@Temperature 23.0 °C ) 0.25 (@Temperature 1930 °C ) |
| EPA Substance Registry System | Niobium carbide (NbC) (12069-94-2) |
Description and Uses
Niobium carbide (NbC) is amongst the hardest technical compounds known. It should thus be excellently suited for machining applications and wear protection. It is used to make hard-tipped tools and special steels and to coat graphite in nuclear reactors.
Safety
| Symbol(GHS) |  GHS02 |
| Signal word | Warning |
| Hazard statements | H228 |
| Precautionary statements | P210-P240-P241-P280-P370+P378a |
| RIDADR | UN3178 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 4.1 |
| PackingGroup | III |
