Apollo 4H
| Apollo 4 H |
| Type |
Indication |
Colour |
| IV |
4,5,7,11 |
rich yellow |
| Au |
Pt |
Pd |
Ag |
Rh |
Ir |
Cu |
Sn |
Zn |
In |
Ga |
Rest |
| 66,5 |
8,0 |
1,0 |
14,7 |
- |
x |
9,2 |
x |
x |
- |
- |
- |
| Melting interval |
Density |
E-Modulus |
| 900°C to 990°C |
15,5 g/cm² |
98 GPa |
| Preheat temp. |
Casting temp. elec. |
Crucible |
| 700°C |
1070°C |
graphite/ceramic/glass carbon |
|
 |
| Hardness HV5 |
Tensile limit MPa |
| As cast |
280 |
Hard |
280 |
As cast |
790 |
Hard |
790 |
| Soft |
195 |
|
|
Soft |
470 |
|
|
| Tensile strength MPa |
Elongation % |
| As cast |
950 |
Hard |
940 |
As cast |
11 |
Hard |
11 |
| Soft |
660 |
|
|
Soft |
30 |
|
|
| Recommended solders |
| Elephant solder II PdF 800°C |
| Elephant solder III PdF 750°C |
| Quenching (cooldown in water) |
Hardening (cooldown by air) |
| 700°C |
10 minutes |
400°C |
15 minutes |
|
|
|
