Hot Isostatic Pressing
Hot Isostatic Pressing (HIP) is a manufacturing process used to reduce the porosity of metals and increase the density of many ceramic materials. This improves the material's mechanical properties and workability.
Recommended* HIP conditions for common additively manufactured materials
GE Additive designation | Industry designation | HIP Temp (°C)** | HIP Temp (°F)** | HIP Press. (MPa)** | HIP Press. (ksi)** | HIP time (hr.)** |
ALUMINUM | ||||||
CL 35AL | F357 | 538 | 1000 | 100 | 14.5 | 8 (minimum) |
CL 35AL | A205 | 514 +/- 8 | 975 +/- 15 | 100 | 14.5 | 11 +/- 0.5 |
CL 36AL | A205 | 454 +/- 14 | 850 +/- 25 | 100 | 14.5 | 4 +/- 0.5 |
COBALT | ||||||
CL 110CO | F75 CoCrMo | 1204 | 2200 | 100 | 14.5 | 4 |
Arcam ASTMF75 CoCr | F75 CoCrMo | 1200 | 2192 | 100 | 14.5 | 4 |
CL 111CO | Alloy 188 | 1121 | 2050 | 100 | 14.5 | 4 |
IRON | ||||||
CL 25MS | M152 | 1149 | 2100 | 100 | 14.5 | 5 |
NICKEL | ||||||
CL 100NB | Alloy 718 | 1163 | 2125 | 100 | 14.5 | 4 |
CL 100NB | Alloy 718 | 1038 | 1900 | 100 | 14.5 | 4 |
TITANIUM | ||||||
CL 41 TI ELI | Ti-6Al-4V | 899 | 1650 | 100 | 14.5 | 3 |
Ti-6Al-4V | Ti-6Al-4V | 920 | 1688 | 100 | 14.5 | 2 |
Ti-6Al-4V ELI | Ti-6Al-4V ELI | 920 | 1688 | 100 | 14.5 | 2 |
Grade 2 | Grade 2 Ti | 920 | 1688 | 100 | 14.5 | 2 |
* Recommendations based on investigation of laser- and/or electron beam-deposited materials
** Standard tolerances except where listed on temperature and time are as follows: +/- 14C◦ (+/-25F◦), +/-1hr. Pressure is considered minimum.