| Physical
Properties |
Nb
|
Nb-1Zr
|
C-103
|
| ATOMIC
NUMBER |
41
|
---
|
---
|
| ATOMIC
WEIGHT |
92.91
|
---
|
---
|
| DENSITY
|
|
|
|
|
(g/cc at 20° C) |
8.66
|
8.59
|
8.87
|
|
(lbs/cubic inch) |
0.310
|
0.310
|
0.320
|
| MELTING
POINT |
2468°
C (4474°
F) |
2407°
C (4365° F) |
2350°
C (4260° F) |
| BOILING
POINT |
4927°
C (8900° F) |
---
|
---
|
| COEFFICIENT
OF
THERMAL EXPANSION
(per ° C at 25° C/73° F)
|
7.3 x 10-6
|
7.54 x 10-6
|
8.10 x 10-6
|
| SPECIFIC
HEAT
(BTU / lb / ° F) |
--- |
0.065 |
0.082 |
| ELECT.
RESISTIVITY
m
ohm-cm at 20° C (68° F) |
15.0 |
14.7 |
--- |
| LATENT
HEAT OF
FUSION (kJ/mol) |
26.8 |
--- |
--- |
| LATENT
HEAT OF
VAPORIZATION(kJ/mol) |
697 |
--- |
--- |
| |
|
|
|
| Mechanical
Properties |
|
|
|
| |
|
|
|
| HARDNESS
Brinell (MN/m2)
Vickers (MN/m2) |
736
1320 |
---
--- |
---
--- |
| TENSILE
STRENGTH
MPa (psi) |
---
--- |
241
(35) |
725
(105) |
| YIELD
STRENGTH
MPa (psi) |
---
--- |
138
(20) |
670
(97) |
| POISSON’S
RATIO |
0.38
|
---
|
---
|
