Alloy AK5M7
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Alloy AK12 (AL2)
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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 | АК5М7 |
| Designation GOST Latin | AK5M7 |
| Transliteration | AK5M7 |
| The chemical elements | - |
Description
Alloy AK5M7 used: for the manufacture of ingots and shaped castings by various casting methods (sand casting, investment casting, gravity die casting, pressure casting).
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 | 4.5-6.5 | ≤0.5 | ≤1.2 | 6-8 | The rest | ≤0.6 | 0.2-0.5 |
Al is the base.
According to GOST 1583-93, the iron content is specified for casting in sand molds and for investment models. The iron content for molding in the mold is ≤ 1.20%, when casting under pressure ≤ 1.30%. The amount of allowable impurities should be for casting in sand molds and for investment models ≤ 2.70%, casting in chill molds ≤ 2.70%, injection molding ≤ 3.00%. The total content of lead, tin and antimony should be ≤ 0.30%.
According to GOST 1583-93, the iron content is specified for casting in sand molds and for investment models. The iron content for molding in the mold is ≤ 1.20%, when casting under pressure ≤ 1.30%. The amount of allowable impurities should be for casting in sand molds and for investment models ≤ 2.70%, casting in chill molds ≤ 2.70%, injection molding ≤ 3.00%. The total content of lead, tin and antimony should be ≤ 0.30%.
Mechanical characteristics
| σB, MPa | Brinell hardness number, MPa |
|---|---|
| Casting. Without heat treatment | |
| ≥127 | ≥70 |
| ≥157 | ≥70 |
| ≥118 | ≥80 |
| Casting. Mode T1: Artificial aging without prior tempering at 170-190 °C (exposure 1-5 hours) | |
| ≥147 | ≥80 |
| ≥167 | ≥90 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
Physical characteristics
| Temperature | r, кг/м3 |
|---|---|
| 20 | 2850 |
A description of the physical symbols
| Name | Description |
|---|---|
| l | Coefficient of thermal conductivity |
