EZ33A (EZ33A-T5, M12330) Magnesium
Magnesium Alloys
Property Overview
Density1.9g/cm³
Elastic Modulus44GPa
Tensile Strength150MPa
Yield Strength100MPa
Brinell Hardness55HB
Maximum Service Temperature250°C
Chemical Composition
NI
0 to 0.010%
CU
0 to 0.1%
MG
91.5 to 95%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
UNSPECIFIED RARE EARTHS RARE E.
2.5 to 4.0%
ZN
2.0 to 3.1%
ZR
0.5 to 1.0%
Mechanical
Compressive (Crushing) Strength
310 MPa
Elastic (Young's, Tensile) Modulus
44 GPa
Elongation at Break
2.6 %
Fatigue Strength
70 MPa
Poisson's Ratio
0.29
Shear Modulus
17 GPa
Shear Strength
140 MPa
Tensile Strength: Ultimate (UTS)
150 MPa
Tensile Strength: Yield (Proof)
100 MPa
Hardness
Brinell Hardness
55
Physical
Density
1.9 g/cm 3
Thermal
Latent Heat of Fusion
330 J/g
Maximum Temperature: Mechanical
250 °C
Melting Completion (Liquidus)
640 °C
Melting Onset (Solidus)
570 °C
Solidification (Pattern Maker's) Shrinkage
1.6 %
Specific Heat Capacity
970 J/kg-K
Thermal Conductivity
100 W/m-K
Thermal Diffusivity
54 mm 2 /s
Thermal Expansion
27 µm/m-K
Thermal Shock Resistance
9.2 points
Electrical
Electrical Conductivity: Equal Volume
24 % IACS
Electrical Conductivity: Equal Weight (Specific)
110 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
3.6 MJ/m 3
Resilience: Unit (Modulus of Resilience)
120 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
61 points
Strength to Weight: Axial
22 points
Strength to Weight: Bending
33 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
25 kg CO 2 /kg material
Embodied Energy
190 MJ/kg
Embodied Energy
190 MJ/kg 83 x 10 3 BTU/lb
Embodied Water
930 L/kg
Embodied Water
930 L/kg 110 gal/lb
Registered Designations & Aliases
EZ33A (EZ33A-T5, M12330) MagnesiumEZ33A-T5M12330
Standards
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings
ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings
ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings