Alloy AO3-7
Alloy AMK
Alloy AMST
Alloy AH-2.5
Alloy AO12-1
Alloy AO20-1
Alloy AO3-7
Alloy AO6-1
Alloy AO9-1
Alloy AO9-2
Alloy ACM
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АО3-7 |
| Designation GOST Latin | AO3-7 |
| Transliteration | AO3-7 |
| The chemical elements | - |
Description
Alloy AO3−7 is used: for castings monometallic liners and sleeves.
Note
The recommended modes of operation:
— load ≤ 19,5 Mn/m2 (200 kg/cm2);
— sliding speed ≤ 15 m/s;
— temperature ≤ 100 °C;
— recommended shaft hardness ≥ 320 HB.
On an antifriction layer of articles coated with a soft metal or a polymer antifriction coating thickness of from 0.003 to 0.03 mm. permitted by agreement with the consumer in technically justified cases to cover the product with a soft metal or polymer coating.
Standards
| Name | Code | Standards |
|---|---|---|
| Non-ferrous metals, including rare metals, and their alloys | В51 | GOST 14113-78 |
Chemical composition
| Standard | Mn | Si | Fe | Cu | Al | Zn | Sn | Mg |
|---|---|---|---|---|---|---|---|---|
| GOST 14113-78 | 0.5-0.8 | 0.6-1.2 | ≤0.5 | 7-8.5 | The rest | ≤0.2 | 2.5-3.5 | ≤0.35 |
Al is the base.
According to GOST 14113-78 for an alloy smelted in cast-iron crucibles, the content of iron admixture is allowed up to 0.70%.
According to GOST 14113-78 for an alloy smelted in cast-iron crucibles, the content of iron admixture is allowed up to 0.70%.
