Alloy Ac4mg (АЛ24)
Designation
| Name |
The value |
| Designation GOST Cyrillic |
АЦ4Мг |
| Designation GOST Latin |
ATs4Mg |
| Transliteration |
ATs4Mg |
| The chemical elements |
- |
| Name |
The value |
| Designation GOST Cyrillic |
АЛ24 |
| Designation GOST Latin |
AL24 |
| Transliteration |
AL24 |
| The chemical elements |
- |
Description
Alloy Ac4mg used: for the manufacture of ingots and shaped castings by various casting methods (sand casting, investment casting).
Note
Aluminum foundry alloy system Al-Zn-Mg. Corrosion-resistant alloy.
Standards
| Name |
Code |
Standards |
| Non-ferrous metals, including rare metals, and their alloys |
В51 |
GOST 1583-93, OST 84-1307-76 |
| Castings from non-ferrous metals and alloys |
В84 |
OST 1 80029-83 |
Chemical composition
| Standard |
Mn |
Si |
Fe |
Cu |
Al |
Ti |
Zn |
Zr |
Mg |
Be |
| GOST 1583-93 |
0.2-0.5 |
≤0.3 |
≤0.5 |
≤0.2 |
The rest |
0.1-0.2 |
3.5-4.5 |
≤0.1 |
1.5-2 |
≤0.1 |
Al is the base.
According to GOST 1583-93, the iron content is specified for casting in sand molds and for investment models. The amount of allowable impurities should be for sand casting and for investment models ≤ 0.90%.
Mechanical characteristics
| σB, MPa |
d |
Brinell hardness number, MPa |
| Casting. Without heat treatment |
| ≥216 |
≥2 |
≥60 |
| Casting. Mode T5, Quenching in water with 575-585 °C (extract 4-6 h) + incomplete artificial aging at 115-125 °C (8-10 h exposure) |
| ≥265 |
≥2 |
≥70 |
Description mechanical marks
| Name |
Description |
| σB |
Limit short-term strength |
| d |
Elongation after rupture |
Physical characteristics
| Temperature |
Е, ГПа |
r, кг/м3 |
R, НОм · м |
| 20 |
69 |
2740 |
67 |
A description of the physical symbols
| Name |
Description |
| l |
Coefficient of thermal conductivity |
| С |
Specific heat |
