Alloy Aluminum AK7 (AL9V)
For the manufacture of shaped castings. Technical requirements GOST 1583−93 Cast aluminum alloys. Technical conditions GOST 2685−75 Cast aluminum alloys. GOST R 55375−12 grades Primary aluminum and alloys based on it. GOST R 55375−12 grades Primary aluminum and alloys based on it. Stamps
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Aluminum, aluminum alloys | Foundry aluminum alloys |
Chemical composition
| Standard | Fe, % | Si, % | Mg, % | Mn, % | Cu, % | Zn, % | Ni, % | Al, % |
|---|---|---|---|---|---|---|---|---|
| GOST 1583-93 | < 1.3 | 6–8 | 0.2–0.5 | 0.2–0.6 | < 1.5 | < 0.5 | < 0.3 | 87.6–93.6 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling | Standard | Size, mm | Tension | Classifiers | $$\sigma _{U}$$, $$MPa$$ | $$\epsilon_L$$, % | Treatment |
|---|---|---|---|---|---|---|---|
| Casting | GOST 1583-93 | 127–196 | 0.5–1 |
Brinell hardness number
| Rolling | Standard | Classifiers | Value, HBW |
|---|---|---|---|
| Casting | GOST 1583-93 | 50–75 |
Analogues
| Germany | USA |
|---|---|
| G-AlSi12(Cu) | 356 |
Standards
| Standard | Description |
|---|---|
| GOST 1583-93 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Mg | % | Magnesium |
| Mn | % | Manganese |
| Cu | % | Copper |
| Zn | % | Zinc |
| Ni | % | Nickel |
| Al | % | Aluminium |
Description of mechanical properties
| Parameter | Units of measurement | Description |
|---|---|---|
| $$\sigma _{U}$$ | $$MPa$$ | Ultimate tensile strength |
| $$\epsilon_L$$ | % | Elongation at break (longitudinal) |