EN AC-Al Si7MnMg | EN AC-42400 Material Datasheet
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| Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Predecessor | Remark |
|---|---|---|---|---|---|---|---|
| EN AC-42400 (DIN EN 1706 : 2021-10) | EN AC-42400 | DIN EN 1706 : 2021-10 | Supersedes DIN EN 1706 : 2020-06 | Valid | Germany | EN AC-Al Si7MnMg | Aluminum casting alloy (pressure die casting). The alloy is food safe acc. to EN 601. Further properties according to EN 1706: Pressure tightness: good Machinability after heat treatment: good Corrosion resistance: good Weldability: good |
Chemical Composition
| Cu [%] | Fe [%] | Mg [%] | Mn [%] | Si [%] | Ti [%] | Zn [%] | Source | Remark |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur | blur |
Mechanical Properties
| Casting Method | Condition | Temperature [°C] | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A [%] | Hardness HB | HBW | Source |
|---|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | blur | blur | blur |
| blur | blur | blur | blur | blur | blur | blur | blur |
Physical Properties
| Temperature [°C] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Electric Conductivity [MS/m] | Source |
|---|---|---|---|---|
| blur | blur | blur | blur | blur |
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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]
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| Welding and Joining - Evaluation | Source |
|---|---|
| blur | blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| EN AC-42400 | Europe | EN 1706 |
| AlSi7MnMg |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| EN AC-Al Si7MnMg | Hydro Aluminium Deutschland GmbH , Bonn |
| EN AC-Al Si7MnMg | Stena Aluminium AB, Älmhult |
Material Compliance
| REACh | RoHS |
|---|---|
| blur | blur |
FKM Guideline Fatigue Strength
| Stress Ratio | Number of Cycles | Bending Fatigue Strength [MPa] | Source |
|---|---|---|---|
| blur | blur | blur | blur |
EN AC-Al Si7MnMg (EN AC-42400; DIN EN 1706 : 2021-10)
Linear-elastic
| Temperature [°C] | Young's modulus [GPa] | Poisson's ratio |
|---|---|---|
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Alternating stress
| Temperature [°C] | Stress ratio | Alternating stress [MPa] | Cycles |
|---|---|---|---|
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Yield strength
| Temperature [°C] | 0.2% Proof strength [MPa] |
|---|---|
| blur | blur |
Coefficient thermal expansion
| Related Temperature [°C] | Temperature [°C] | Coefficient thermal expansion [10^-6*K^-1] |
|---|---|---|
| blur | blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Thermal conductivity
| Temperature [°C] | Thermal conductivity [W/(m*K)] |
|---|---|
| blur | blur |
Classification
| WIAM Material | Source description |
|---|---|
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Designation
| Designation | Material number | Source |
|---|---|---|
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EN AC-Al Si7MnMg (cast condition)
Yield strength
| Temperature [°C] | 0.2% Proof strength [MPa] |
|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Classification
| Treatment | Source description |
|---|---|
| blur | blur |
EN AC-Al Si7MnMg (T5 (cooled from an elevated temperature shaping process and then artificially aged))
Yield strength
| Temperature [°C] | 0.2% Proof strength [MPa] |
|---|---|
| blur | blur |
Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
|---|---|
| blur | blur |
Classification
| Treatment | Source description |
|---|---|
| blur | blur |