
 
Chemical composition
 
| Alloy | 
% | 
Ni | 
Cr | 
Fe | 
Mo | 
Nb | 
Co | 
C | 
Mn | 
Si | 
S | 
Cu | 
Al | 
Ti | 
| 718 | 
Min. | 
50 | 
17 | 
balance | 
2.8 | 
4.75 | 
  | 
  | 
  | 
  | 
  | 
  | 
0.2 | 
0.7 | 
| Max. | 
55 | 
21 | 
3.3 | 
5.5 | 
1 | 
0.08 | 
0.35 | 
0.35 | 
0.01 | 
0.3 | 
0.8 | 
1.15 | 
 
Physical properties
 
| Density | 
8.2 g/cm³ | 
| Melting point | 
1260-1340 ¡ãC | 
 
Alloy minimum mechanical properties in the roomtemperature
 
| Alloy | 
Tensile strength | 
Yield strength | 
Elongation | 
Brinell hardness | 
| Rm N/mm² | 
R P0. 2N/mm² | 
A 5 % | 
HB | 
| Solution treatment | 
965 | 
550 | 
30 | 
¡Ü363 |