Alloy SVI-1
Tungsten B (VA)
Tungsten BM
Alloy VNZH 7-3
Alloy VNZh-90
Alloy VNZh-95
Alloy VNZh-97 (VNZh 97.5)
Alloy VNM 3-2
Tungsten VRN
Tungsten VT-10
Tungsten VT-15
Tungsten BT-30
Tungsten BT-50
Tungsten BT-7
Alloy SVI-1
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | СВИ-1 |
| Designation GOST Latin | CBI-1 |
| Transliteration | SVI-1 |
| The chemical elements | PbВIr-1 |
Description
Alloy SVI-1 is used: for the manufacture of tungsten powder and the oxide of yttrium rods designed for welding of active metals in a protective atmosphere of argon and helium.
Note
Alloy utrirovannoe tungsten. The alloy with additive of yttrium oxide Y2 O3.
Standards
| Name | Code | Standards |
|---|---|---|
| Bars | В55 | TU 48-19-221-83 |
Chemical composition
| Standard | Si | Ni | Fe | Al | Mo | Ca | W |
|---|---|---|---|---|---|---|---|
| TU 48-19-221-83 | ≤0.01 | ≤0.005 | ≤0.007 | ≤0.005 | ≤0.04 | ≤0.01 | ≥97.623 |
W is the basis.
According to TU 48-19-221-83 in the alloy of grade SWI-1, the mass fraction of yttrium oxide Y 2 O 3 should be within the range of 1.50-2.30%.
According to TU 48-19-221-83 in the alloy of grade SWI-1, the mass fraction of yttrium oxide Y 2 O 3 should be within the range of 1.50-2.30%.
