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Material Description

Material Number Material Name Material Number (single) Standard Scope Standard Status Country Successor VDA 231-106 classification
3.2371 (DIN 1725-2 : 1986-02) G-AlSi7Mg 3.2371 DIN 1725-2 : 1986-02 DIN 1725-2 : 1986-02 replaced by DIN EN 1676 : 1997-02 and DIN EN 1706 : 1998-06 Replaced Germany EN AC-Al Si7Mg0,3 2.1 1)
1) Remark: G-AlSi7Mg - universal alloy with vers good mechanical properties, high strength and good toughness, very good corrosion resistance - excellent weldability application: -cast pieces in automobile, machine and aircraft industry, ship constructing and electrical engineering

Chemical Composition

Cu [%] Fe [%] Mg [%] Mn [%] Si [%] Ti [%] Zn [%] Remainder
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Material Compliance

REACh RoHS
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Mechanical Properties

Casting Method Condition Condition Number Temperature [°C] Tensile Strength [MPa] Yield Strength (0.2% offset) [MPa] Elongation A [%] Shear Strength [MPa] Hardness HB | HBW
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Physical Properties

Temperature [°C] Melting Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Mean Specific Heat Capacity [kJ/(kg*K)] Linear Shrinkage [%] Electric Conductivity [MS/m]
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FKM Guideline Fatigue Strength

Casting Method Condition Condition Number Bending Fatigue Strength [MPa]
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Creep Rupture Behaviour

Casting Method Condition Condition of Delivery Number Temperature [°C] Creep Tensile Strength at 10³ h [MPa]
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Heat Treatment

Heat Treatment Step Temperature [°C] Holding Time [h] Medium
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Cross Reference

Material Name Country Standard
AA 601 Australia AS 1874
AlSi7Mg Belgium NBN P21-101
424334 Czech Republik/Slovakia CSN 424334
A-S7G03 France NF A 50-702
AlSi7Mg 2L99 Great Britain BSL 2L99
LM25 Great Britain BSL 2L99
AL9 Russia GOST 2685
4458 India IS 202
A-27 India IS 202
4458 India IS 617
A-27 India IS 617
Al-Si7Mg International ISO 3522
8024 Italy UNI 8024
A356.0 Italy UNI 8024
G-AlSi7MgTi Italy UNI 8024
G-S7GT Italy UNI 8024
AC 4 CH Japan JIS H 5202
SG7OP Canada CSA.HA.3
AlSi7Mg Norway NS 17501
AlSi7Mg Austria ÖNORM M 3429
AK7 Poland PN H-88027
AlSi7Mg Poland PN H-88027
144245 Sweden MNC 41
144245 Sweden SIS 144245
AlSi7Mg Switzerland VSM 10895/21
Al-7SiMg Spain UNE 38-267
L-2651 Spain UNE 38-267
Al-Si7MgA South Africa SABS 989
SA14 South Africa SABS 989
Al-Si7Mg Turkey TS 410
EN AC-Al Si7Mg0,3 (EN AC-42100) Germany DIN EN 1706

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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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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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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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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