EN-MC21320 (MgAl4Si) Magnesium
Magnesium Alloys
Property Overview
Density1.6g/cm³
Elastic Modulus45GPa
Tensile Strength230MPa
Yield Strength140MPa
Brinell Hardness68HB
Maximum Service Temperature110°C
Chemical Composition
NI
0 to 0.0020%
MN
0.1 to 0.7%
SI
0.5 to 1.5%
CU
0 to 0.010%
AL
3.5 to 5.0%
MG
92.5 to 95.9%
RES.
Residuals res. | | 0 to 0.010%
RESIDUALS RES.
0 to 0.010%
ZN
0 to 0.2%
FE
0 to 0.0050%
Mechanical
Elastic (Young's, Tensile) Modulus
45 GPa
Elongation at Break
7.5 %
Fatigue Strength
95 MPa
Poisson's Ratio
0.29
Shear Modulus
18 GPa
Shear Strength
130 MPa
Tensile Strength: Ultimate (UTS)
230 MPa
Tensile Strength: Yield (Proof)
140 MPa
Hardness
Brinell Hardness
68
Physical
Density
1.6 g/cm 3
Thermal
Latent Heat of Fusion
370 J/g
Maximum Temperature: Mechanical
110 °C
Melting Completion (Liquidus)
600 °C
Melting Onset (Solidus)
530 °C
Specific Heat Capacity
1000 J/kg-K
Thermal Conductivity
66 W/m-K
Thermal Diffusivity
40 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
17 % IACS
Electrical Conductivity: Equal Weight (Specific)
91 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
15 MJ/m 3
Resilience: Unit (Modulus of Resilience)
200 kJ/m 3
Stiffness to Weight: Axial
15 points
Stiffness to Weight: Bending
72 points
Strength to Weight: Axial
38 points
Strength to Weight: Bending
50 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
23 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 68 x 10 3 BTU/lb
Embodied Water
980 L/kg
Embodied Water
980 L/kg 120 gal/lb
Registered Designations & Aliases
EN-MC21320 (MgAl4Si) MagnesiumMgAl4Si
Standards
EN 1753 EN 1753: Magnesium and magnesium alloys. Magnesium alloy ingots and castings
ISO 16220 ISO 16220: Magnesium and magnesium alloys - Magnesium alloy ingots and castings
ISO 16220 ISO 16220: Magnesium and magnesium alloys - Magnesium alloy ingots and castings EN 1753: Magnesium and magnesium alloys. Magnesium alloy ingots and castings