Alloy АЛ4М
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Alloy AK12 (AL2)
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Alloy AK5M2
Alloy AK5M4
Alloy AK5M7
Alloy AK5Mh (AL5-1)
Alloy AK6M2
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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)
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Alloy AL1
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | АЛ4М |
| Designation GOST Latin | AL4M |
| Transliteration | AL4M |
| The chemical elements | - |
Description
Alloy АЛ4М used: for the manufacture of shaped castings.
Note
Sealed alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Thermal and thermochemical treatment of metals | В04 | OST 1 90088-80 |
Chemical composition
| Standard | Mn | Si | Fe | Cu | Al | B | Ti | Zr | Mg | - |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.1 | 8.5-10.5 | ≤0.25 | 1.3-2.5 | 84.75-89.79 | 0.01-0.1 | 0.1-0.3 | ≤0.3 | 0.3-0.6 | 0.6 |
Chemical composition is not verified by NTD. Total verified brands for chemical compounds: 2907 of 3316.
Mechanical characteristics
| σB, MPa | d5, % | Brinell hardness number, MPa |
|---|---|---|
| Castings on OST 1 90077-72 | ||
| 300-350 | 2-3 | ≥90 |
Description mechanical marks
| Name | Description |
|---|---|
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
Physical characteristics
| Temperature | r, кг/м3 | R, НОм · м |
|---|---|---|
| 20 | 2720 | 509 |
A description of the physical symbols
| Name | Description |
|---|---|
| l | Coefficient of thermal conductivity |
| R | UD. the resistivity |
