Designation
| Name |
The value |
| Designation GOST Cyrillic |
ТСМ-7 |
| Designation GOST Latin |
TCM-7 |
| Transliteration |
TSM-7 |
| By chemical elements |
TePbCu-7 |
Description
Alloy TSM-7 is used: for the manufacture of polished rods with a diameter of 8−16 mm (using 1,0), rods machined with a diameter of 30−45 mm (using 1.0) and seamless pipes of an external diameter of 14−32 mm with a wall thickness of 0.5−1.5 mm, intended for the production of parts of vacuum devices.
Note
The alloy is produced by vacuum melting.
Standards
| Name |
Code |
Standards |
| Bars |
В55 |
TU 48-19-305-84, TU 48-19-247-93 |
Chemical composition
| Standard |
C |
Fe |
Mo |
O |
Ta |
| TU 48-19-305-84 |
≤0.005 |
0.005-0.02 |
Rest |
≤0.005 |
0.2-0.5 |
Mo is the basis.
Mechanical properties
| Section, mm |
σU, MPa |
d |
| Rods polished in the delivery condition on the other 48-19-305-84 |
| 8-16 |
≥700 |
≥14 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |
