Alloy CM3
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | СМ3 |
| Designation GOST Latin | CM3 |
| Transliteration | SM3 |
| The 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 metals, and their alloys | В51 | OST 1 92025-73 |
| Bars | В55 | OST 1 92027-73 |
Mechanical characteristics
| Section, mm | σB, 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 |
|---|---|
| Section | Section |
| σB | Limit short-term strength |
| d | Elongation after rupture |