Alloy AK8M3
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Alloy ŽLS
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Alloy AK10M2H
Alloy AK10Su
Alloy AK12 (AL2)
Alloy AK12M2 (AK11M2)
Alloy AK12M2MgN (AL25)
Alloy AK12MMgN (AL30)
Alloy AK13
Alloy AK18
Alloy AK21M2.5H2.5 (VKZHLS-2)
Alloy AK5M (AL5)
Alloy AK5M2
Alloy AK5M4
Alloy AK5M7
Alloy AK5Mh (AL5-1)
Alloy AK6M2
Alloy AL21
Alloy AK7M2
Alloy AK7pch (AL9-1)
Alloy AK7C9 (AL11)
Alloy AK7h (AL9)
Alloy AK8L (AL34)
Alloy AK8M (AL32)
Alloy AK8M3
Alloy AK8M3h (VAL8)
Alloy AK9 (AL4V)
Alloy AK9M2
Alloy AK9pch (AL4-1)
Alloy AK9s
Alloy AK9C6 (AK9C6r)
Alloy AK9h (AL4)
Alloy AL1
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АК8М3 |
| Designation GOST Latin | AK8M3 |
| Transliteration | AK8M3 |
| The chemical elements | - |
Description
Alloy AK8M3 used: for the manufacture of a molding force and pressure parts operating at temperatures up to +250 °C.
Note
Aluminum foundry alloy of the system Al-Si-Cu.
Standards
| Name | Code | Standards |
|---|---|---|
| Non-ferrous metals, including rare metals, and their alloys | В51 | GOST 1583-93 |
| Castings from non-ferrous metals and alloys | В84 | OST 1 80029-83 |
Chemical composition
| Standard | Mn | Si | Ni | Fe | Cu | Al | Zn | Mg |
|---|---|---|---|---|---|---|---|---|
| GOST 1583-93 | ≤0.5 | 7.5-10 | ≤0.5 | ≤1.3 | 2-4.5 | The rest | ≤1.2 | ≤0.45 |
Al is the base.
According to GOST 1583-93, the iron content is specified for injection molding. Other methods, as a rule, castings from this alloy are not produced. The amount of allowable impurities should be for injection molding ≤ 4,20%. The total content of lead and tin should be ≤ 0.30%.
According to GOST 1583-93, the iron content is specified for injection molding. Other methods, as a rule, castings from this alloy are not produced. The amount of allowable impurities should be for injection molding ≤ 4,20%. The total content of lead and tin should be ≤ 0.30%.
Mechanical characteristics
| σB, MPa | d | Brinell hardness number, MPa |
|---|---|---|
| Casting. Without heat treatment | ||
| ≥147 | ≥1 | ≥70 |
| Casting. T6 mode: Quenching in water from 490-510 °C (delay of 5-7 h) + Complete artificial aging at 170-190 °C (extract 5-10 h) | ||
| ≥216 | ≥0.5 | ≥90 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
| d | Elongation after rupture |
