EN AC-Al Si9Mg | EN AC-43300 Material Datasheet
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| Material Number | Material Number (single) | Standard | Range of Application | Standard Status | Country | Predecessor | Successor | Remark |
|---|---|---|---|---|---|---|---|---|
| EN AC-43300 (DIN EN 1706 : 1998-06) | EN AC-43300 | DIN EN 1706 : 1998-06 | DIN EN 1706 : 1998-06 replaced by DIN EN 1706 : 2013-12 | Replaced | Germany | G-AlSi9Mg | EN AC-Al Si9Mg | Material EN AC-AlSi9Mg is produced as sand and chilled cast. It shows the following casting characteristics and properties: plasticity: excellent heat crack resistance: excellent pressure tightness: good workability (after heat-treatment): good to acceptable workability (casting condition): good corrosion resistance: good decorative anodic oxidation: not advisable weldability: excellent polishability: insufficient strength at room temperature: excellent strength at increased temp. (up to 200°C): acceptable ductility (impact strength): excellent fatigue strength amounts 80 to 110 N/mm² ( best available casting method, values for vibration durability up to 50*10 hoch 6 cycles [Woehler diagram]). To the comparable DIN-mark G-AlSi9Mg, mat. No. 3.2373, acc. to DIN 1725-2 : 1986-02 applies: The material is an excellent castable alloy. It is suitable for coiled, thin-walled casting parts of high strength and favorable ductility (hot hardened). Corrosion resistance and weldability are excellent. Application: Complex and highest loaded machine parts, such as cylinder heads, crankcases, brake pads, vibrating engine and ventilator parts etc. |
Chemical Composition
| Cu [%] | Fe [%] | Mg [%] | Mn [%] | Si [%] | Ti [%] | Zn [%] | Source | Remark |
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Mechanical Properties
| Casting Method | Condition | Temperature [°C] | Tensile Strength [MPa] | Yield Strength (0.2% offset) [MPa] | Elongation A50 [%] | Hardness HB | HBW | Source |
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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 |
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Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] vs Temperature [°C]
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| Material Name | Country | Standard |
|---|---|---|
| A-S9G | France | NF A 50-702 |
| 3051 | Italy | UNI 3051 |
| A360.2 | Italy | UNI 3051 |
| G-AlSi9MnMg | Italy | UNI 3051 |
| G-AS9Mg | Italy | UNI 3051 |
| AC 4 A | Japan | JIS H 5202 |
| AlSi9Mg | Austria | ÖNORM M 3429 |
| AK9 | Poland | PN H-88027 |
| AlSi9Mg | Poland | PN H-88027 |
| AlSi9Mg | Switzerland | VSM 10895/22 |
| G-AlSi9Mg (3.2373) | Germany | DIN 1725-2 |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| G-AlSi9Mg | Federal-Mogul Nürnberg GmbH, Nürnberg |
| G-AlSi9Mg | Johann Grohmann GmbH & Co. KG, Bisingen/Hohenzollern |
| G-AlSi9Mg | Metallgießerei Ralf Mewes GmbH, Velbert |
| G-AlSi9Mg | Rolf Andris GmbH, Villingen-Schwenningen |
| G-AlSi9Mg | Fehrmann Metallverarbeitung GmbH, Hamburg |
| SF 30 | Gardner Denver Schopfheim GmbH, Schopfheim |
| Silafont 30 | Gardner Denver Schopfheim GmbH, Schopfheim |
| Silafont-30 | Rheinfelden ALLOYS GmbH & Co.KG, Rheinfelden |
| Silafont-31 dv | Rheinfelden ALLOYS GmbH & Co.KG, Rheinfelden |
| Silumin-Beta | Hydro Aluminium Deutschland GmbH , Bonn |
Material Compliance
| REACh | RoHS |
|---|---|
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EN AC-Al Si9Mg (EN AC-43300; DIN EN 1706 : 1998-06)
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] |
|---|---|
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Coefficient thermal expansion
| Related Temperature [°C] | Temperature [°C] | Coefficient thermal expansion [10^-6*K^-1] |
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Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
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Thermal conductivity
| Temperature [°C] | Thermal conductivity [W/(m*K)] |
|---|---|
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Classification
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Designation
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EN AC-Al Si9Mg (T6 (solution heat-treated and then artificially aged))
Yield strength
| Temperature [°C] | 0.2% Proof strength [MPa] |
|---|---|
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Tensile strength
| Temperature [°C] | Tensile strength [MPa] |
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Classification
| Treatment | Source description |
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