AZ92A-T4 Magnesium
Magnesium Alloys
Property Overview
Density1.8g/cm³
Elastic Modulus47GPa
Tensile Strength270MPa
Yield Strength83MPa
Brinell HardnessUnknown
Maximum Service Temperature130°C
Chemical Composition
NI
0 to 0.010%
MN
0.1 to 0.35%
SI
0 to 0.3%
CU
0 to 0.25%
AL
8.3 to 9.7%
MG
86.7 to 90%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
ZN
1.6 to 2.4%
Mechanical
Elastic (Young's, Tensile) Modulus
47 GPa
Elongation at Break
6.8 %
Fatigue Strength
90 MPa
Poisson's Ratio
0.29
Shear Modulus
18 GPa
Shear Strength
160 MPa
Tensile Strength: Ultimate (UTS)
270 MPa
Tensile Strength: Yield (Proof)
83 MPa
Physical
Density
1.8 g/cm 3
Thermal
Latent Heat of Fusion
350 J/g
Maximum Temperature: Mechanical
130 °C
Melting Completion (Liquidus)
590 °C
Melting Onset (Solidus)
440 °C
Solidification (Pattern Maker's) Shrinkage
1.3 %
Specific Heat Capacity
980 J/kg-K
Thermal Conductivity
44 W/m-K
Thermal Diffusivity
25 mm 2 /s
Thermal Expansion
26 µm/m-K
Thermal Shock Resistance
16 points
Electrical
Electrical Conductivity: Equal Volume
11 % IACS
Electrical Conductivity: Equal Weight (Specific)
53 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
14 MJ/m 3
Resilience: Unit (Modulus of Resilience)
73 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
67 points
Strength to Weight: Axial
41 points
Strength to Weight: Bending
51 points
Environmental
Base Metal Price
12 % relative
Embodied Carbon
22 kg CO 2 /kg material
Embodied Energy
160 MJ/kg
Embodied Energy
160 MJ/kg 67 x 10 3 BTU/lb
Embodied Water
980 L/kg
Embodied Water
980 L/kg 120 gal/lb
Registered Designations & Aliases
AZ92A-T4 Magnesium
Standards
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings
ASTM B199 ASTM B199: Standard Specification for Magnesium-Alloy Permanent Mold Castings ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings Welding and Joining of Magnesium Alloys, Liming Liu (editor), 2010 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings Essential Readings in Magnesium Technology, Suveen N. Mathaudhu et al. (editors), 2014
ASTM B403 ASTM B403: Standard Specification for Magnesium-Alloy Investment Castings
ASTM B80 ASTM B80: Standard Specification for Magnesium-Alloy Sand Castings