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EN AC-Al Si7Mg | EN AC-42000 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
EN AC-42000 (DIN EN 1706 : 1998-06) EN AC-42000 DIN EN 1706 : 1998-06 DIN EN 1706 : 1998-06 replaced by DIN EN 1706 : 2013-12 Replaced Germany EN AC-Al Si7Mg 2.1 1)
1) Remark: Material EN AC-Al Si7MgTi is produced as sand, chilled and precision cast. It shows the following casting characteristics and properties: plasticity: good heat crack resistance: good pressure tightness: good workability (after heat-treatment): good to acceptable workability (casting condition): good corrosion resistance: good to acceptable decorative anodic oxidation: insufficient weldability: good polishability: acceptable strength at room temperature: good strength at increased temp. (up to 200°C): acceptable ductility (impact strength): acceptable 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]).

Chemical Composition

Cu [%] Fe [%] Mg [%] Mn [%] Ni [%] Pb [%] Si [%] Sn [%] 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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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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Strain life

Temperature [°C] Static hardening coefficient [MPa] Static hardening exponent Cyclic fatigue strength coefficient [MPa] Cyclic fatigue strength exponent Ductility coefficient [Pa] Ductility exponent Cyclic strength coefficient [MPa] Cyclic strain hardening exponent Young's modulus [GPa]
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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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Alternating stress

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