EVI-3
Classification
Chemical composition
Note: OT: Al + Fe + Ni + Si + Ca + Mo
Note: W: W + La2O3 + Y2O3 + ThO2 + Ta
Note: Y: Y2O3
Standard | Y, % | W, % | Ta, % | Примеси, % |
---|---|---|---|---|
Standard | Y, % | W, % | Ta, % | Примеси, % |
GOST 23949-80 | 2.5–3.5 | 96.44–97.49 | 0.01 | < 0.05 |
Note: OT: Al + Fe + Ni + Si + Ca + Mo
Note: W: W + La2O3 + Y2O3 + ThO2 + Ta
Note: Y: Y2O3
Standard | Description |
---|---|
Standard | Description |
GOST 23949-80 |