Designation
| Name |
The value |
| Designation GOST Cyrillic |
СМ3 |
| Designation GOST Latin |
CM3 |
| Transliteration |
SM3 |
| By chemical elements |
PbCu3 |
Description
Alloy CM3 usedfor producing pressed extra virgin bars; parts of aviation.
Note
Wrought molybdenum alloy.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare, and their alloys |
В51 |
OST 1 92025-73 |
| Bars |
В55 |
OST 1 92027-73 |
Mechanical properties
| Section, mm |
σU, MPa |
d |
| Bars pressed extra virgin in the state of delivery. Without heat treatment |
| 35-80 |
≥490 |
≥6 |
| 80-120 |
≥440 |
≥4 |
| Bars pressed extra virgin in the state of delivery. Annealing |
| 35-80 |
≥440 |
≥10 |
| 80-120 |
≥390 |
≥6 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
| d |
Elongation after rupture |
