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EN AC-Al Si11 | EN AC-44000 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Predecessor Successor VDA 231-106 classification
EN AC-44000 (DIN EN 1706 : 1998-06) EN AC-44000 DIN EN 1706 : 1998-06 DIN EN 1706 : 1998-06 replaced by DIN EN 1706 : 2013-12 Replaced Germany G-AlSi11 EN AC-Al Si11 2.1 1)
1) Remark: Material EN AC-AlSi11 is produced as sand and chilled cast. It shows the following casting characteristics and properties: plasticity: excellent heat crack resistance: excellent pressure tightness: excellent workability (after heat-treatment): acceptable (for Mg > 0,1 % applies classification good) corrosion resistance: good decorative anodic oxidation: not advisable weldability: excellent polishability: insufficient strength at room temperature: insufficient strength at increased temp. (up to 200°C): acceptable ductility (impact strength): excellent fatigue strength amounts 60 to 90 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-AlSi11, mat. No. 3.2211, acc. to DIN 1725-2 : 1986-02 applies: G-AlSi11 is an eutectic alloy of excellent form matching capability, high heat-crack resistance and excellent casting properties at high chemical resistance. It is suitable for complex, thin-walled, pressure-tight, vibration resistant casting parts at high corrosion resistance. Application: machine parts, cylinder heads and blocks, engine-, crank-, pump cases, blade wheels, assembly blocks and plates.

Chemical Composition

Cu [%] Fe [%] Mg [%] Mn [%] Si [%] Ti [%] Zn [%]
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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
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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]
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Cross Reference

Material Name Country Standard
G-AlSi11 (3.2211) Germany DIN 1725-2

Producer/Supplier/Trade names

Tradename Supplier
(G-AlSi11) Rheinfelden ALLOYS GmbH & Co.KG, Rheinfelden
G-AlSi11 Rolf Andris GmbH, Villingen-Schwenningen
G-AlSi11 Fehrmann Metallverarbeitung GmbH, Hamburg
Silafont-12 dv Rheinfelden ALLOYS GmbH & Co.KG, Rheinfelden
Silafont-13 Rheinfelden ALLOYS GmbH & Co.KG, Rheinfelden
Silumin Hydro Aluminium Deutschland GmbH , Bonn
Silumin-Kappa Hydro Aluminium Deutschland GmbH , Bonn

Material Compliance

REACh RoHS
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield 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

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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