Designation
| Name |
The value |
| Designation GOST Cyrillic |
АМ4 |
| Designation GOST Latin |
AM4 |
| Transliteration |
AM4 |
| By chemical elements |
- |
Description
Alloy AM4 is used: for the manufacture of special profiles by extrusion with subsequent drawing.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В52 |
GOST 18591-91 |
| Sheets and strips |
В53 |
TU 84-562-74 |
| Bars |
В55 |
TU 84-608-81 |
Chemical composition
| Standard |
Si |
Fe |
Cu |
Al |
Zn |
Mg |
| GOST 18591-91 |
≤0.7 |
≤0.6 |
4-5 |
Rest |
≤0.6 |
0.3-0.5 |
Al is the base.
According to GOST 18591-91 the amount of admissible impurities should be ≤ 1,20%.
Mechanical properties
| Section, mm |
σU, MPa |
| The special extruded profile with subsequent drawing GOST 18591-91 in the delivery condition. Quenching +natural aging |
|
≥294 |
Description mechanical marks
| Name |
Description |
| σU |
Limit short-term strength |
Physical characteristics
| Temperature |
r, kg/m3 |
| 0 |
2800 |
A description of the physical symbols
| Name |
Description |
| Е |
The normal elasticity modulus |
| l |
Coefficient of thermal conductivity |
