Alloy aluminum AO3-7
- Chemical composition
| Al | Aluminum | Rest |
| Fe | Iron | <0.5 |
| Si | Silicon | 0.6 — 1.2 |
| Mg | Magnesium | <0.35 |
| Mn | Manganese | 0.5 — 0.8 |
| Cu | Copper | 7.0 — 8.5 |
| Sn | Tin | 2.5 — 3.5 |
| Zn | Zinc | <0.2 |
| OE | Other items | <0.05 |
Allowed: Fe <0.7
For casting monometallic liners and bushings. Technical requirements — according to GOST 14113−78
Classification
| Country | Section | Category |
|---|---|---|
| CIS, Russia, Ukraine | Aluminum, aluminum alloys | Antifriction aluminum alloy |
Chemical composition
| Standard | Fe, % | Si, % | Sn, % | Mg, % | Mn, % | Cu, % | Zn, % | Al, % |
|---|---|---|---|---|---|---|---|---|
| GOST 14113-78 | < 0.5 | 0.6–1.2 | 2.5–3.5 | < 0.35 | 0.5–0.8 | 7–8.5 | < 0.2 | 84.95–89.4 |
Information on suppliers
Standards
| Standard | Description |
|---|---|
| GOST 14113-78 |
Description of chemical elements
| Element | Units of measurement | Description |
|---|---|---|
| Fe | % | Iron |
| Si | % | Silicon |
| Sn | % | Tin |
| Mg | % | Magnesium |
| Mn | % | Manganese |
| Cu | % | Copper |
| Zn | % | Zinc |
| Al | % | Aluminium |