Mesh & Weave | Rod | Sheet | |
---|---|---|---|
MO | 1800 | 1600 | 1600 |
Ta | 2300 | - | 2300 |
W(short term) | 3000 | 3000 | - |
W(maximum time) | 2450 | 2450 | - |
W | MO | |
---|---|---|
Dry H2 | no reaction | |
Dry N3 | no reaction | |
NH3 | 1000¡É dry gas: no reaction | |
Air | 500¡É | 400¡É |
Water vapor | Dew points between 10¡É and 20 ¡É : 1370¡É At lower points : no reaction |
|
CO | 1400¡É | 1400¡É |
CO2 | 1200¡É | 1240¡É |
Hydro carbon | 1200¡É | 1100¡É |
VAC | 2500¡É | 1800¡É |
in vacuum | ||
---|---|---|
W | MO | |
Aluminum oxide | 1900¡É | 1900¡É |
Beryllium oxide | 2000¡É | 1900¡É |
Graphite | 1200¡É | 1100¡É |
Magnetite oxide | 1600¡É | 1600¡É |
Silicon carbons | 1300¡É | 1300¡É |
Zirconium oxide | 1900¡É | 1900¡É |